|.# (c) Copyright 1989, 1990, 1991, 1992 OPEN SOFTWARE FOUNDATION, INC. 
|.# ALL RIGHTS RESERVED 
|.# 
|.# Motif Release 1.2.1
|.# 
|.# $Header: /u1/rcs/dte/glossary/glossP,v 1.1.2.2 1992/07/15 19:47:07 bowe Exp $
|.# 
|.TERM|PAC
|.ACR|
	|.DEFIN|1|*
		|.XREF|Privilege Attribute Certificate
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|pacing
|.ACR|
	|.DEFIN|1|A technique used by a receiving component to control the rate of
transmission by sending a component to prevent overrun.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|2|A file transfer protocol required by some systems. It controls
data transmission by waiting for a specified character, or waiting a
specified number of seconds between lines. This protocol prevents the loss of
data when the block size is too large or data is sent too quickly for the
system to process.
		|.XREF|character pacing
		|.XREF|interval pacing
		|.XREF|line pacing
		|.XREF|local pacing
		|.XREF|remote pacing
		|.BOOK|
		|.TOPIC|
|.TERM|package
|.ACR|
	|.DEFIN|1|A specified group of related OM classes, denoted by an Object 
Identifier.
		|.XREF|
		|.BOOK|introDCE
		|.TOPIC|
	|.DEFIN|2|For the OSF/1 loader, a collection of object entities
that share a common name space.  Symbol names are unique within a
package.  Symbols from different packages may bear identical symbol
names, because they are distinguished by their package names.
		|.XREF|
		|.BOOK|OSExtGd
		|.TOPIC|
|.TERM|package closure
|.ACR|
	|.DEFIN|1|The set of classes that need to be supported in order 
to be able to create all possible instances of all classes defined in the 
package.
		|.XREF|
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|package name
|.ACR|
	|.DEFIN|1|*
		|.XREF|package
		|.BOOK|OSExtGd
		|.TOPIC|
|.TERM|packed decimal format
|.ACR|
	|.DEFIN|1|A format in which each byte within a field (except the rightmost
byte) represents two numeric digits.The rightmost byte contains one digit and
the sign. For example, the decimal value +123 is represented as 0001 0010
0011 1111.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|packed key
|.ACR|
	|.DEFIN|1|An index key in packed decimal format.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|packet
|.ACR|
	|.DEFIN|1|In data communications, a sequence of binary digits, including
data and control signals, that is transmitted and switched as a composite
whole.
		|.XREF|
		|.BOOK|OSExtGd
		|.BOOK|OSNetComAdminGd
		|.TOPIC|
	|.DEFIN|2|In X.25 communications, a sequence of binary digits, including
data and call control signals, that is transmitted and switched as a
composite whole. (ISO) The data, call control signals, and error control
information are arranged in a specific format.
		|.XREF|call\(LI-accepted packet
		|.XREF|call\(LI-connected packet
		|.XREF|call\(LI-request packet
		|.XREF|clear\(LI-confirmation packet
		|.XREF|clear\(LI-indication packet
		|.XREF|clear\(LI-request packet
		|.XREF|data packet
		|.XREF|incoming\(LI-call packet
		|.BOOK|
		|.TOPIC|
|.TERM|packet header
|.ACR|
	|.DEFIN|1|In X.25 communications, a string of data, tagged on to the
beginning of the packet, whose contents depend on the packet type.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|packet level
|.ACR|level 3
	|.DEFIN|1|In X.25 communications, the packet format and control procedures
for the exchange of packets containing control information and user data
between the data terminal equipment (DTE) and the data circuit-terminating
equipment (DCE).
		|.XREF|data\(LI-link level
		|.XREF|physical level
		|.BOOK|
		|.TOPIC|
|.TERM|packet-level interface
|.ACR|
	|.DEFIN|1|In X.25 communications, the level of the DTE/DCE interface in
packet mode operation relating to the exchange of data and signaling, where
this\s12\fH \s12\fHinformation is contained in packets. (CCITT/ITU).
		|.XREF|frame\(LI-level interface
		|.BOOK|
		|.TOPIC|
|.TERM|packet size
|.ACR|
	|.DEFIN|1|In X.25 communications, in the context of data packets, refers
to the length of the user data.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|packet switching
|.ACR|
	|.DEFIN|1|Routing and transferring data by addressing packets so that a
channel is occupied only during packet transmission. On completion of the
transmission, the channel is available for transfer of other packets. Synonym
for \s12\f(HIpacket mode operation\s12\fH.
		|.XREF|circuit switching
		|.BOOK|
		|.TOPIC|
	|.DEFIN|2|\s12\fHIn X.25 communications, the process of routing and
transferring data by means of addressed packets so that a channel is made
available for transfer of other packets. (ISO)\s12\fH
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|pad
|.ACR|
	|.DEFIN|1|To fill unused positions in a field with dummy data, usually
zeros or blanks.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|padding
|.ACR|
	|.DEFIN|1|Bytes inserted in the data stream to maintain alignment of the
protocol requests on natural boundaries. Padding increases the ease of
portability to some machine architectures.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|page
|.ACR|
	|.DEFIN|1|A block of instructions, data, or both.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|2|The number of lines that can fit into a window.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|3|In a virtual storage system, a fixed-length block that has a
virtual address and is transferred as a unit between real storage and
auxiliary storage.
		|.XREF|
		|.BOOK|OSPortGd
		|.TOPIC|
|.TERM|page fault
|.ACR|
	|.DEFIN|1|A program interruption that occurs when a program refers to
a page that is not in real memory.
		|.XREF|
		|.BOOK|OSPortGd
		|.TOPIC|
|.TERM|page frame
|.ACR|
	|.DEFIN|1|In real storage, a storage location having the size of a page.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|2|An area of main storage that contains a page.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|page size
|.ACR|
	|.DEFIN|1|Smallest unit of size that is typically read or written
by the system.  Typically either 4 or 8 Kbytes.
		|.XREF|Logical Volume Manager
		|.BOOK|DesignofOS
		|.TOPIC|
|.TERM|pagination
|.ACR|
	|.DEFIN|1|The process of adjusting text to fit within page margins.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|2|In word processing, the automatic arrangement of text according
to a preset number of page layout parameters.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|paging
|.ACR|
	|.DEFIN|1|The action of transferring instructions, data, or both between
real storage and external page storage.
		|.XREF|
		|.BOOK|OSPortGd
		|.TOPIC|
	|.DEFIN|2|Moving data between memory and and a mass storage device as the
data is needed.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|paging space
|.ACR|
	|.DEFIN|1|Disk storage for information that is resident in virtual memory
but is not currently being accessed.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|paint
|.ACR|
	|.DEFIN|1|In computer graphics, to shade an area of a display image.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|pane
|.ACR|
	|.DEFIN|1|On a display screen, the inner portion of a window used to
present information to the user. A window can consist of one or more panes.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|2|A widget that is a child of a PanedWindow.  The user
adjusts the size of a pane by means of a sash.
		|.XREF|
		|.BOOK|MotifProgGd
		|.TOPIC|
|.TERM|PanedWindow
|.ACR|
	|.DEFIN|1|A component that allows you to adjust the relative size
of its components.
		|.XREF|
		|.BOOK|MotifUsersGd
		|.TOPIC|
|.TERM|panning
|.ACR|
	|.DEFIN|1|In computer graphics, the viewing of an image that is too large
to fit on a single screen by moving from one part of the image to another.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|2|Progressively translating an entire display image to give the
visual impression of lateral movement of the image.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|paragraph
|.ACR|
	|.DEFIN|1|Text that is separated from other text by blank lines.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|2|In word processing, one or more sentences that maybe preceded by
or followed by an appropriate indicator.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|parallel device
|.ACR|
	|.DEFIN|1|A device that can perform two or more concurrent activities.
Contrast with \(LI\s12\f(HIserial device\(LI\s12\fH.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|parallel policy
|.ACR|
	|.DEFIN|1|A Logical Volume Manager policy that attempts to get the
best performance by writing all of the mirrors simultaneously.
		|.XREF|Logical Volume Manager
		|.XREF|scheduler
		|.XREF|sequential policy
		|.XREF|scheduling policy
		|.XREF|reserved policy
		|.BOOK|DesignofOS
		|.TOPIC|
|.TERM|parallel processing
|.ACR|
	|.DEFIN|1|The condition in which multiple processors are executing a
single image, such as the OSF/1 kernel.
		|.XREF|
		|.BOOK|OSAdminGd
		|.TOPIC|
|.TERM|parallel transmission
|.ACR|
	|.DEFIN|1|Transmitting all bits of a character simultaneously.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|2|In data communication, the simultaneous transmission of a number
of signal elements that constitute the same telegraph or data signal.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|parameter
|.ACR|
	|.DEFIN|1|An argument the user supplies to a command or
function.
		|.XREF|
		|.BOOK|OSAdminGd
		|.TOPIC|
	|.DEFIN|2|A variable that is given a constant value for a specified
application and that may denote the application.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|3|Data passed between programs or procedures.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|parameter declaration
|.ACR|
	|.DEFIN|1|Description of a value that a function receives. A parameter
declaration determines the storage class and the data type of the value.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|parent directory
|.ACR|
	|.DEFIN|1|Any directory that has one or more levels of
directories beneath it in a cell namespace. A directory is the parent of any
directory immediately beneath it in the hierarchy.
		|.XREF|
		|.BOOK|introDCE
		|.TOPIC|
	|.DEFIN|2|The directory that is one level above the current directory.
		|.XREF|
		|.BOOK|OSUsersGd
		|.TOPIC|
|.TERM|parent dump level
|.ACR|
	|.DEFIN|1|DFS: An entry in the dump hierarchy that is used as the
reference point for dumps made at an incremental dump level. Both a full
dump level and another incremental dump level can serve as a parent.
		|.XREF|dump
		|.XREF|dump hierarchy
		|.XREF|full dump
		|.XREF|incremental dump
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|parent ID number
|.ACR|
	|.DEFIN|1|DFS: A fileset ID number stored in a fileset header.
If the fileset being examined is a read/write fileset,
the parent ID is its fileset ID.
If the fileset being examined is a read-only or backup copy of a read/write
fileset, the parent ID is the fileset ID of the read/write fileset.
		|.XREF|fileset ID number
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|parity
|.ACR|
	|.DEFIN|1|The state of being either even-numbered or odd-numbered.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|parity check
|.ACR|
	|.DEFIN|1|A test to determine whether the number of ones (or zeros) in an
array of binary digits is odd or even.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|parity error
|.ACR|
	|.DEFIN|1|A transmission error that occurs when the received data does not
have the parity expected by the receiving system. This error is usually
caused by the sending and receiving systems having different parity settings.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|parser
|.ACR|
	|.DEFIN|1|A program that interprets user input and determines what to do
with the input.
		|.XREF|
		|.BOOK|OSApplProgGd
		|.TOPIC|
|.TERM|partially bound binding handle
|.ACR|
	|.DEFIN|1|RPC: A server binding handle that contains an
incomplete server address lacking an endpoint.
		|.XREF|fully bound binding handle
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|partition
|.ACR|
	|.DEFIN|1|A logical division of storage on a fixed disk.
		|.XREF|
		|.BOOK|OSAdminGd
		|.TOPIC|
	|.DEFIN|2|A fixed-size division of storage.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|partner
|.ACR|
	|.DEFIN|1|In data communications, the remote application program or the
remote computer.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|Pascal
|.ACR|
	|.DEFIN|1|\s12\fHA high-level, general-purpose programming language.
Programs written in Pascal are block-structured, consisting of independent
routines.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|passive gateway
|.ACR|
	|.DEFIN|1|A gateway that does not exchange routing information. Its
routing information is contained indefinitely in the routing tables and is
included in any routing information that is transmitted. Contrast with
\s12\f(HIactive gateway\s12\fH.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|passive service
|.ACR|
	|.DEFIN|1|A code service relationship between a client and a server where
the client accesses a server, installs one or more programs from files on the
server, then disconnects and runs as a stand-alone system. Contrast with
\(LI\s12\f(HIactiv e service\(LI\s12\fH.
		|.XREF|client
		|.XREF|server
		|.BOOK|
		|.TOPIC|
|.TERM|passive user
|.ACR|
	|.DEFIN|1|In an XTI transport connection, the peer transport user that responded to the connection request.
		|.XREF|active user
		|.XREF|client process 
		|.BOOK|OSNetAppProgGd
		|.TOPIC|
|.TERM|password
|.ACR|
	|.DEFIN|1|A string presented by a principal,
which the Authentication Service uses to authenticate that principal.
In addition to user-specific passwords, a user may also be required to
enter a group-specific password for the purposes of authenticating
membership in a group.
		|.XREF|
		|.BOOK|introDCE
		|.TOPIC|
	|.DEFIN|2|In computer security, a string of characters known to the
computer system and a user. The user must specify it to gain access to a
system and the data stored with it.
		|.XREF|
		|.BOOK|OSUsersGd
		|.BOOK|OSAdminGd
		|.TOPIC|
|.TERM|paste
|.ACR|
     |.DEFIN|1|Inserting data into an area.  Pasting is commonly used
in reference to text files where a block of text is cut from one area
and pasted into another area.
          |.XREF|
          |.BOOK|MotifStyleGd
          |.TOPIC|
|.TERM|path
|.ACR|
	|.DEFIN|1|In a network, any route between any two nodes.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|2|In a database, a sequence of segment occurrences from the root
segment to an individual segment.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|pathname
|.ACR|
	|.DEFIN|1|A filename specifying all directories leading to the file.
		|.XREF|full pathname
		|.XREF|relative pathname
		|.BOOK|OSUsersGd
		|.BOOK|OSAdminGd
		|.TOPIC|
|.TERM|pattern
|.ACR|
	|.DEFIN|1|A regular expression or series of regular expressions that
define the search pattern.
		|.XREF|
		|.BOOK|OSUsersGd
		|.TOPIC|
|.TERM|pattern-action
|.ACR|
	|.DEFIN|1|When the \s12\f(HBawk\s12\fH command finds a pattern in an input
data file that matches a line in the program file, it performs the associated
action on that line.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|pattern matching
|.ACR|
	|.DEFIN|1|Specifying a pattern of characters that the system should find.
		|.XREF|
		|.BOOK|OSUsersGd
		|.TOPIC|
|.TERM|pattern-matching character
|.ACR|
	|.DEFIN|1|Special characters such as * (asterisk) or ? (question mark)
that can be used in a file specification to match one or more characters. For
example, placing a ? in a file specification means that any character can be
in that position.
		|.XREF|
		|.BOOK|OSUsersGd
		|.TOPIC|
|.TERM|pattern space
|.ACR|
	|.DEFIN|1|The \fBsed\fR command reads its input stream, one line at a
time, into an area in memory called the pattern space.
		|.XREF|
		|.BOOK|OSApplProgGd
		|.TOPIC|
|.TERM|pattern strings
|.ACR|
	|.DEFIN|1|Strings of regular expressions composed of special
pattern-matching characters. The pattern strings can be used in addresses to
specify lines and, in some subcommands, portions of a line.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|pause
|.ACR|
     |.DEFIN|1|A label given to a PushButton in some DialogBoxes that performs the
action of pausing the action of the DialogBox.
          |.XREF|
          |.BOOK|MotifStyleGd
          |.TOPIC|
|.TERM|PDN
|.ACR|
	|.DEFIN|1|*
		|.XREF|public data network
		|.BOOK|
		|.TOPIC|
|.TERM|peer trust
|.ACR|
	|.DEFIN|1|A type of trust relationship established between
two cells by means of a secret key shared by mutual authentication
surrogates maintained by the two cells. A peer trust relationship
enables principals in the one cell to communicate securely with
principals in the other.
		|.XREF|
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|pending
|.ACR|
	|.DEFIN|1|Waiting, as in an operation that is pending.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|pending delete
|.ACR|
	|.DEFIN|1|A state of a Text component in which some user actions
cause the current selection to be deleted.
		|.XREF|
		|.BOOK|MotifProgGd
		|.TOPIC|
|.TERM|pending state
|.ACR|
	|.DEFIN|1|A condition of a server program in which it has received a
request for an action (start, stop, or suspend) but has not yet performed
that action.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|per-process data area
|.ACR|
	|.DEFIN|1|In kernel mode, a portion of the user process stack segment.
This area is paged with the process and it contains process information such
as the current directory of files opened by the process or input in I/O mode.
This information occupies the top of the stack segment.
		|.XREF|user block
		|.BOOK|
		|.TOPIC|
|.TERM|peripheral device
|.ACR|
	|.DEFIN|1|With respect to a particular processing unit, any equipment that
can communicate directly with that unit.
		|.XREF|
		|.BOOK|OSAdminGd
		|.TOPIC|
|.TERM|peripheral unit
|.ACR|
	|.DEFIN|1|Synonym for \(LI\s12\f(HIperipheral device\(LI\s12\fH.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|permanent error
|.ACR|
	|.DEFIN|1|An error that cannot be eliminated by retrying a read or write
operation.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|permanent storage
|.ACR|
	|.DEFIN|1|A storage device whose contents cannot be modified.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|permanent virtual circuit
|.ACR|PVC
	|.DEFIN|1|In X.25 communications, a virtual circuit that has a logical
channel permanently assigned to it at each data terminal equipment (DTE). A
call establishing protocol is not required. Contrast with
\(LI\s12\f(HIswitched virtual circuit\(LI\s12\fH.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|permission
|.ACR|
	|.DEFIN|1|The modes of access to a protected object. In DCE
Security, the number and meaning of permissions with respect to the
object are defined by the ACL Manager of the object.
		|.XREF|Access Control List
		|.BOOK|introDCE
		|.TOPIC|
	|.DEFIN|2|GDS: One of five groups that assigns modes of
access to users: MODIFY PUBLIC, READ STANDARD, MODIFY STANDARD, READ
SENSITIVE, or MODIFY SENSITIVE.
		|.XREF|Access Control List
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|permission code
|.ACR|
	|.DEFIN|1|A 3-digit octal code or a 9-letter alphabetic code that
indicates access permissions. The access permissions are read, write, and
execute.
		|.XREF|access permission
		|.BOOK|OSUsersGd
		|.TOPIC|
|.TERM|permission field
|.ACR|
	|.DEFIN|1|One of the 3-character fields within the permissions column
of a directory list. The permission field indicates the read, write, and 
execute permissions for the file or directory owner, for the group, and for all
others.
		|.XREF|
		|.BOOK|OSUsersGd
		|.TOPIC|
|.TERM|permissions
|.ACR|
	|.DEFIN|1|Codes that determine how the file can be used by any users who
work on the system.
		|.XREF|
		|.BOOK|OSUsersGd
		|.TOPIC|
|.TERM|permuted index
|.ACR|
	|.DEFIN|1|An index containing selected reorganized lines from a file. The
\s12\f(HBptx\s12\fH command produces a permuted index.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|person
|.ACR|
	|.DEFIN|1|The name assigned to a DCE principal. The Registry database
contains the person objects with which accounts can be associated. Also, the
first field of a subject identifier.
		|.XREF|
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|peta
|.ACR|P?
	|.DEFIN|1|Two to the fifty-second power (2\s12\fH52\s12\fH).
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|phase
|.ACR|
	|.DEFIN|1|One of several stages file system checking and repair performed
by the\s12\f(HB fsck\s12\fH command.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|2|A distinct part of a process in which related operations are
performed.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|3|A part of a sort and merge program, such as sort phase and merge
phase.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|4|A part of a data call.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|PHIGS
|.ACR|
	|.DEFIN|1|*
		|.XREF|Programmer's Hierarchical Interactive Graphics System
		|.BOOK|
		|.TOPIC|
|.TERM|phototypesetter
|.ACR|
	|.DEFIN|1|A typesetting machine that operates by projecting light through
film matrices of the type characters upon light-sensitive paper or film.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|physical block
|.ACR|
	|.DEFIN|1|*
		|.XREF|block
		|.BOOK|
		|.TOPIC|
|.TERM|physical data block
|.ACR|
	|.DEFIN|1|*
		|.XREF|block
		|.BOOK|
		|.TOPIC|
|.TERM|physical device
|.ACR|
	|.DEFIN|1|*
		|.XREF|device
		|.BOOK|
		|.TOPIC|
|.TERM|physical extent
|.ACR|
	|.DEFIN|1|A physical extent is a specific, contiguous region of the 
disk where the data resides. 
		|.XREF|
		|.BOOK|OSAdminGd
		|.BOOK|DesignofOS
		|.TOPIC|
	|.DEFIN|2|Physical extents are the unit of allocation of physical
volume space.  When a logical volume maps an area of a physical
volume, it maps a physical extent.  Each physical volume is split into
a number of physical extents.  All extents within a given volume group are
of the same size.
		|.XREF|Logical Volume Manager
		|.XREF|logical extent
		|.BOOK|DesignofOS
		|.TOPIC|
|.TERM|physical extent map
|.ACR|
	|.DEFIN|1|Volume group descriptor area field that contains a variable
numer of physical
extent map entries.
		|.XREF|Logical Volume Manager
		|.XREF|physical volume
		|.XREF|volume group descriptor area
		|.XREF|physical extent map entry<
		|.BOOK|DesignofOS
		|.TOPIC|
|.TERM|physical extent map entry
|.ACR|
	|.DEFIN|1|Entry in the physical extent map that describes one
physical extent within the physical volume.
		|.XREF|Logical Volume Manager
		|.XREF|physical volume
		|.XREF|volume group descriptor area
		|.XREF|physical extent map
		|.BOOK|DesignofOS
		|.TOPIC|
|.TERM|physical file
|.ACR|
	|.DEFIN|1|An indexed file containing data for which one or more
alternative indexes have been created.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|2|A database file that describes how data are to be presented or
received from a program and how data are actually stored in the database. A
physical file contains one record format and one or more members.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|physical layer
|.ACR|or level
	|.DEFIN|1|Layer of a device driver, such as the Logical Volume
Manager, which performs physical request startup and termination, and
handles bad sector relocation (for the Logical Volume Manager).
		|.XREF|Logical Volume Manager
		|.BOOK|DesignofOS
		|.TOPIC|
	|.DEFIN|2|The lowest layer of network design as specified by the ISO Open
System Interconnection (OSI) reference model. This layer is responsible for
interfacing with the medium, detecting and generating signals on the medium,
and converting and processing signals received from the medium and from the
data link layer.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|physical level
|.ACR|level 1
	|.DEFIN|1|In X.25 communications, the mechanical, electrical, functional,
and procedural media used to activate, maintain, and deactivate the physical
link between the data terminal equipment (DTE) and the data
circuit-terminating equipment (DCE).
		|.XREF|data\(LI-link level
		|.XREF|packet level
		|.BOOK|
		|.TOPIC|
|.TERM|physical partition
|.ACR|
	|.DEFIN|1|The smallest unit of disk-space allocation. The physical
partition is contiguous space on a physical volume.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|physical record
|.ACR|
	|.DEFIN|1|A group of records recorded or processed as a unit. Synonym for
\s12\f(HIblock\s12\fH\&.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|2|A unit of data moved into or out of the computer.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|3|A record whose characteristics depend on the manner or form in
which it is stored, retrieved, or moved. A physical record can contain all or
part of one or more logical records.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|physical volume
|.ACR|
	|.DEFIN|1|A read-write fixed disk physically attached to a computer.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|1|Contiguous area of a physical disk.
		|.XREF|Volume Group
		|.XREF|Logical Volume Group
		|.BOOK|DesignofOS
		|.TOPIC|
|.TERM|physical volume list
|.ACR|
	|.DEFIN|1|Volume group descriptor area field that contains a physical
volume entry for each physical volume in the volume group.
		|.XREF|Logical Volume Manager
		|.XREF|physical volume
		|.XREF|volume group descriptor area
		|.BOOK|DesignofOS
		|.TOPIC|
|.TERM|physical volume reserved area
|.ACR|PVRA
	|.DEFIN|1|Physical volume data area that contains information
that the Logical Volume Manager needs to know about the physical
volume (and the volume group to which the physical volume belongs).
		|.XREF|Logical Volume Manager
		|.XREF|physical volume
		|.XREF|volume group reserved area
		|.BOOK|DesignofOS
		|.TOPIC|
|.TERM|pica
|.ACR|
	|.DEFIN|1|A type size of about 12 points (1/6 inch) in height that is
printed 10 characters per inch.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|picture element
|.ACR|pixel
	|.DEFIN|1|In computer graphics, the smallest element of a display space
that can be assigned color and intensity independently.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|2|The area of the finest detail that can be reproduced effectively
on the recording medium.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|3|An element of a raster pattern about which a toned area on a
photoconductor can appear.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|4|A point in the frame buffer or on the display.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|PID
|.ACR|
	|.DEFIN|1|*
		|.XREF|process ID
		|.BOOK|
		|.TOPIC|
|.TERM|pipe
|.ACR|
	|.DEFIN|1|RPC: A mechanism for passing large amounts of
data in a remote procedure call.
		|.XREF|
		|.BOOK|introDCE
		|.TOPIC|
	|.DEFIN|2|RPC: The data structure that represents this
mechanism.
		|.XREF|
		|.BOOK|introDCE
		|.TOPIC|
	|.DEFIN|3|To direct the data so that the output from one process
becomes the input to another process.
		|.XREF|
		|.BOOK|OSUsersGd
		|.TOPIC|
	|.DEFIN|4|The standard output of one command may be connected to the
standard input of another command with the pipe operator. Two commands
connected in this way constitute a pipeline. Pipes are unidirectional;
synchronization is provided by the operating system.
		|.XREF|
		|.BOOK|OSUsersGd
		|.TOPIC|
	|.DEFIN|5|An I/O stream that has a descriptor and can be used in
bidirectional communications between related processes.
		|.XREF|socketpair
		|.BOOK|OSNetAppProgGd
		|.TOPIC|
|.TERM|pipeline
|.ACR|
	|.DEFIN|1|A direct, one-way connection between two or more processes.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|2|A serial arrangement of processors or a serial arrangement of
registers within a processor. Each processor or register performs part of a
task and passes results to the next processor. Several parts of different
tasks can be performed at the same time.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|3|To perform processes in a series.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|4|For increased processing speed, to start execution of an
instruction sequence before the previous instruction sequence is completed.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|pipelined
|.ACR|
	|.DEFIN|1|A processor that, in a single cycle, can fetch one instruction's
op code, fetch a second instruction's operands, and execute a third
instruction.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|pitch
|.ACR|
	|.DEFIN|1|A unit of width of typewriter type, based on the number of times
a letter can be set in a linear inch. For example, 10-pitch type has 10
characters per inch.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|pixel
|.ACR|
	|.DEFIN|1|*
		|.XREF|picture element
		|.BOOK|
		|.TOPIC|
	|.DEFIN|2|A unit of height and width for a window or pixmap.
Each pixel has a number of bits or planes equal to the depth of the
window or pixmap.  Thus, each pixel has an integral value whose range
depends on the depth of the drawable.  The pixel value is used as an
index into a colormap to determine the color to display for that pixel.
		|.XREF|
		|.BOOK|MotifProgGd
		|.TOPIC|
|.TERM|pixmap
|.ACR|
	|.DEFIN|1|A two-dimensional array of pixels, all of the same
depth.  Like a window, a pixmap is a drawable, an entity that can be the
source or destination for a graphics operation.
		|.XREF|
		|.BOOK|MotifProgGd
		|.TOPIC|
|.TERM|plaintext
|.ACR|
	|.DEFIN|1|The input to an encryption function or the output of a decryption
function.  Decryption transforms ciphertext into plaintext.
		|.XREF|
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|plotter
|.ACR|
	|.DEFIN|1|A printing device, attached to the system with cables, that
prints two-dimensional graphs and charts.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|point
|.ACR|
	|.DEFIN|1|A unit of typesetting measure equal to 0.01384 inch (0.3505
mm.), or about 1/72 of an inch. There are 12 points per pica.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|2|Screen locations indicated by cross hairs or by name.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|point-to-point line
|.ACR|
	|.DEFIN|1|A switched or nonswitched communications line that connects a
single remote station to a computer.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|point-to-point link
|.ACR|
	|.DEFIN|1|A switched or nonswitched link that connects a single remote
link station to a node or to another station.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|pointer
|.ACR|
	|.DEFIN|1|A variable that holds the address of a data object.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|2|In computer graphics, a manually operated functional unit used
to specify an addressable point. A pointer may be used to conduct interactive
graphic operations, such as selection of one member of a predetermined set of
display elements, or indication of a position on a display space while
generating coordinate data.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|3|A physical or symbolic identifier of a unique target.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|4|The device attached to the cursor and tracked on the screen.
		|.XREF|
		|.BOOK|
		|.TOPIC|
     |.DEFIN|5|The graphical image that appears on the workspace and represents the
current location of a mouse or other pointing device.
          |.XREF|
          |.BOOK|MotifStyleGd
          |.BOOK|MotifUsersGd
          |.TOPIC|
|.TERM|pointer focus
|.ACR|
	|.DEFIN|1|A keyboard focus model that sends keyboard events to 
the window or component that the mouse pointer is over.
		|.XREF|implicit focus
		|.BOOK|MotifUsersGd
		|.TOPIC|
|.TERM|pointer type
|.ACR|
	|.DEFIN|1|A data type that defines variables containing addresses and,
sometimes, other information about variables.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|pointing
|.ACR|
	|.DEFIN|1|Positioning the pointing cursor on a displayed object.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|pointing device
|.ACR|
     |.DEFIN|1|A device such as a mouse, trackball, or graphics tablet that
allows users to move a pointer about on the workspace and point to
graphical objects.
          |.XREF|
          |.BOOK|MotifStyleGd
          |.TOPIC|
|.TERM|poll
|.ACR|
	|.DEFIN|1|In data communications, an interrogation that determines whether
a station is ready to transmit information.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|2|To execute a polling sequence.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|3|A system call that permits transport users to determine the I/O status of a descriptor associated with a STREAMS device.
		|.XREF|
		|.BOOK|OSNetAppProgGd
		|.TOPIC|
|.TERM|poll list
|.ACR|
	|.DEFIN|1|A list of terminal addresses in computer storage that specifies
the sequences in which stations are to be polled.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|polling
|.ACR|
	|.DEFIN|1|On a multipoint connection or a point-to-point connection, the
process whereby data stations are invited, one at a time, to transmit data.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|2|Interrogation of devices so as to avoid contention, determine
operational status, or determine readiness to send or receive data.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|polyline
|.ACR|
	|.DEFIN|1|In computer graphics, a sequence of adjoining lines.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|popup
|.ACR|
	|.DEFIN|1|A widget that is outside the normal widget hierarchy.
Any widget can have popup children, and the widget does not manage these
children.  A popup's window is a descendant of the root window, and the
popup is not clipped by the parent widget.  A popup usually appears on
the screen temporarily in behalf of its parent.  Dialogs and menus are
the most common popups.
		|.XREF|
		|.BOOK|MotifProgGd
		|.TOPIC|
|.TERM|Popup Menu
|.ACR|
     |.DEFIN|1|A Menu that provides no visual cue to its presence, but simply pops up
when a user performs a particular action.  Popup Menus are associated with
a particular area of the workspace, such as the client area of an
application, and a user must memorize where these areas are.
          |.XREF|
          |.BOOK|MotifStyleGd
          |.BOOK|MotifUsersGd
          |.TOPIC|
|.TERM|port
|.ACR|
	|.DEFIN|1|A part of the system unit or remote controller to which cables
for external devices (display stations, terminals, or printers) are attached.
The port is an access point for data entry or exit.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|2|An entrance to or exit from a network.
		|.XREF|
		|.BOOK|OSNetComAdminGd
		|.TOPIC|
	|.DEFIN|3|To make the programming changes necessary to allow a program
that runs on one type of computer to run on another type of computer.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|4|An access point for data input to or data output from a computer
system.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|5|In X.25 communications,\s12\fH
		|.XREF|X.25 port
		|.BOOK|
		|.TOPIC|
|.TERM|portrait display
|.ACR|
	|.DEFIN|1|A rectangular display that is taller than it is wide.
		|.XREF|landscape display
		|.BOOK|
		|.TOPIC|
|.TERM|position
|.ACR|
	|.DEFIN|1|Any location in a string that may be occupied by an element and
that is identified by a serial number.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|2|The location of a character in a series, as in a record, a
displayed message, or a computer printout.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|position (within a string)
|.ACR|
	|.DEFIN|1|The ordinal position of one element of a string
relative to another.
		|.XREF|
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|position (within an attribute)
|.ACR|
	|.DEFIN|1|The ordinal position of one value
relative to another.
		|.XREF|
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|positional parameter
|.ACR|
	|.DEFIN|1|A shell facility that assigns values from the command line to
variables in a program.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|2|A parameter that must appear in a specified location relative to
other positional parameters.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|posted
|.ACR|
     |.DEFIN|1|A state of a Menu where it remains in a visible state even though
a mouse button is not being held down.
          |.XREF|spring-loaded
          |.BOOK|MotifStyleGd
          |.BOOK|MotifUsersGd
          |.TOPIC|
|.TERM|postprocessor
|.ACR|
	|.DEFIN|1|A computer program that effects some final computation or
organization. In text formatting, a postprocessor command translates nroff
and troff output for use on certain printers, typesetters, or
phototypesetters.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|potential binding
|.ACR|
	|.DEFIN|1|RPC: A specific combination of an RPC protocol
sequence, RPC protocol major version, network address, endpoint,
and transfer syntax that an RPC client can use to establish a
binding with an RPC server.
		|.XREF|binding
		|.XREF|endpoint
		|.XREF|network address
		|.XREF|RPC protocol sequence
		|.XREF|RPC protocol
		|.XREF|transfer syntax
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|power factor
|.ACR|
	|.DEFIN|1|The ratio of power consumed to the volt amps (apparent power).
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|pre-edit area
|.ACR|
	|.DEFIN|1|An area that displays the intermediate text characters for
languages whose characters may require more than one keystroke to
complete.
		|.XREF|
		|.BOOK|MotifProgGd
		|.BOOK|MotifUsersGd
		|.TOPIC|
|.TERM|pre-editing
|.ACR|
	|.DEFIN|1|Creating characters in a particular language by using 
individual keystrokes  or combinations of keystrokes.
		|.XREF|
		|.BOOK|MotifProgGd
		|.BOOK|
		|.TOPIC|
|.TERM|precedence
|.ACR|
	|.DEFIN|1|The priority system for grouping different types of operators
with their operands.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|2|In programming languages, an order relation defining the
sequence of the application of operators within an expression.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|precision
|.ACR|
	|.DEFIN|1|A measure of the ability to distinguish between nearly equal
values.
		|.XREF|single precision
		|.XREF|double precision
		|.BOOK|
		|.TOPIC|
	|.DEFIN|2|The degree of discrimination with which a quantity is stated.
For example, a three-digit numeral discriminates among 1000 possibilities.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|3|The number of digits that are printed or displayed.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|predicate
|.ACR|
	|.DEFIN|1|A Boolean logic term denoting a logical expression that
determines the state of some variable(s). For example,
a predicate can be an expression stating that "variable A
must have the value 3." The control expression used in
conjunction with condition variables is based upon a
predicate. Use a condition variable to wait for some
predicate to become true; for example, to wait for
something to be in a queue.
		|.XREF|
		|.BOOK|introDCE
		|.TOPIC|
	|.DEFIN|2|
		|.XREF|condition variable predicate
		|.BOOK|OSApplProgGd
		|.TOPIC|
|.TERM|preferential CUG
|.ACR|
	|.DEFIN|1|In X.25 communications, the default closed user group\s12\fH.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|preprocessed display
|.ACR|
	|.DEFIN|1|A displayed image on which the processing is done before the
image is shown.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|preprocessing
|.ACR|
	|.DEFIN|1|Processing for a display that occurs before the display is shown.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|preprocessor
|.ACR|
	|.DEFIN|1|A functional unit that effects preparatory computation or
organization.
		|.XREF|
		|.BOOK|OSApplProgGd
		|.TOPIC|
	|.DEFIN|2|In emulation, a program that converts data from the format of an
emulated system to the format accepted by an emulator.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|3|A program that examines the source program for preprocessor
statements, which are then executed, resulting in the alteration of the
source program.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|preprocessor statement
|.ACR|
	|.DEFIN|1|In C language, a statement that begins with the # (pound sign)
and contains instructions that the preprocessor interprets.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|presentation address
|.ACR|
	|.DEFIN|1|An unambiguous name that is used to identify a
set of presentation service access points. Loosely, it is the network address
of an OSI service.
		|.XREF|address
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|Presentation Service Access Point
|.ACR|PSAP
	|.DEFIN|1|Address of an OSI
communications partner. It addresses an application in a computer.
		|.XREF|
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|presented type
|.ACR|
	|.DEFIN|1|RPC: For data types with the IDL
.B "transmit_as"
attribute, the data type that clients and servers manipulate.
Stubs invoke conversion routines to convert the presented type
to a transmitted type, which is passed over the network.
		|.XREF|transmitted type
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|press
|.ACR|
     |.DEFIN|1|To hold down a mouse button or a key.
          |.XREF|
          |.BOOK|MotifStyleGd
          |.BOOK|MotifUsersGd
          |.TOPIC|
|.TERM|previewing
|.ACR|
     |.DEFIN|1|A means of PushButton activation where information about the
impending action of a button release is displayed on the button
press action.
          |.XREF|
          |.BOOK|MotifStyleGd
          |.TOPIC|
|.TERM|primary
|.ACR|
	|.DEFIN|1|An irreducible unit of data. For example, a single constant,
variable, or array element.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|primary expression
|.ACR|
	|.DEFIN|1|An identifier, parenthesized expression, function call, array
element specification, structure member specification, or union member
specification.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|primary group
|.ACR|
	|.DEFIN|1|In concurrent groups, the group that is assigned to the files
that you create.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|primary modal
|.ACR|
     |.DEFIN|1|A state of a window in which interaction is limited
to that window and windows that are not ancestors of that window.
          |.XREF|
          |.BOOK|MotifStyleGd
          |.TOPIC|
|.TERM|primary name
|.ACR|
	|.DEFIN|1|The string name of an object to which any aliases for
that object 
refer. The DCE refers to objects by their primary names, although DCE users
can refer to them by their aliases.
		|.XREF|
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|primary representation
|.ACR|
	|.DEFIN|1|The form in which the service supplies an 
attribute value to the client.
		|.XREF|
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|primary selection
|.ACR|
	|.DEFIN|1|The principal selection, used to transfer data from
one client to another or to another window of the same client.
		|.XREF|
		|.BOOK|MotifProgGd
		|.TOPIC|
|.TERM|primary station
|.ACR|
	|.DEFIN|1|On a point-to-point channel, the station that gains control of
the channel first. On a multipoint channel, the station controlling
communications.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|2|In high level data link control (HLDC), the part of a data
station that supports the primary control functions of the data link,
generates commands for transmission, and interprets received responses.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|primary transfer
|.ACR|
     |.DEFIN|1|A transfer mechanism where the primary selection is
transferred to the destination.
          |.XREF|
          |.BOOK|MotifStyleGd
          |.TOPIC|
|.TERM|primary-to-secondary communications
|.ACR|
	|.DEFIN|1|Data communications between two nodes that do not have equal
status in the interchange. Allows a remote transaction program to send data
to a logical device without being involved in the control of the network.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|primary window
|.ACR|
     |.DEFIN|1|A top-level window of an application.
Primary windows can be minimized.
          |.XREF|
          |.BOOK|MotifStyleGd
          |.BOOK|MotifUsersGd
          |.TOPIC|
|.TERM|primitive
|.ACR|
	|.DEFIN|1|One of a group of widgets that usually do not have
children.
		|.XREF|
		|.BOOK|MotifProgGd
		|.TOPIC|
|.TERM|primitive binding handle
|.ACR|
	|.DEFIN|1|RPC: A binding handle whose data type in IDL is
.B "handle_t"
and in application code is
.B "rpc_binding_handle_t" .
		|.XREF|customized binding handle
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|principal
|.ACR|
	|.DEFIN|1|An entity that is capable of believing that it can
communicate securely with another entity. In the DCE, principals are represented
as entries in the Registry database and include users, servers, computers, and
authentication surrogates.
		|.XREF|
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|principal identifier
|.ACR|
	|.DEFIN|1|The name used to identify a principal uniquely.
In the DCE, principal identifiers are implemented as UUIDs.
		|.XREF|
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|print queue
|.ACR|
	|.DEFIN|1|A file containing a list of the names of files waiting to be
printed.
		|.XREF|
		|.BOOK|OSAdminGd
		|.TOPIC|
|.TERM|print wheel
|.ACR|
	|.DEFIN|1|In some printers, a rotating disk that presents characters at a
single print position.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|printer
|.ACR|
	|.DEFIN|1|A device externally attached to the system unit, used to print
system output on paper.
		|.XREF|
		|.BOOK|OSUsersGd
		|.BOOK|OSAdminGd
		|.TOPIC|
|.TERM|printing device
|.ACR|
	|.DEFIN|1|Any printer or other device that prints, such as a
typewriter-like device or a plotter.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|printout
|.ACR|
	|.DEFIN|1|Information from the computer produced by a printer.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|priority
|.ACR|
	|.DEFIN|1|A rank assigned to a task that determines its precedence in
receiving system resources, the CPU in particular.
		|.XREF|
		|.BOOK|OSPortGd
		|.BOOK|OSUsersGd
		|.TOPIC|
	|.DEFIN|2|The relative significance of one job to other jobs in competing
for allocation of resources.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|priority number
|.ACR|
	|.DEFIN|1|A number that establishes the relative priority of printer
requests.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|privacy
|.ACR|
	|.DEFIN|1|A protection level that may be specified in secure
RPC communications and that encrypts RPC argument values.
		|.XREF|
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|private key
|.ACR|
	|.DEFIN|1|A long-lived encryption key known to only one principal.
In the DCE, the Authentication Service is the only principal that has a
private key.
		|.XREF|
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|private object
|.ACR|
	|.DEFIN|1|XDS: An OM object created in a workspace using the 
object management functions. The term is simply used for contrast with a public 
object.
		|.XREF|
		|.BOOK|introDCE
		|.TOPIC|
	|.DEFIN|2|XOM: An object that is represented in an unspecified
fashion.
		|.XREF|
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|privilege attribute
|.ACR|
	|.DEFIN|1|An attribute of a principal that can be associated with
a set of permissions. DCE privilege attributes are identity-based and include
the principal's name, group memberships, and native cell.
		|.XREF|
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|Privilege Attribute Certificate
|.ACR|PAC
	|.DEFIN|1|Data, describing a principal's privilege attributes, that
has been certified by an authority. In the DCE, the Privilege Service is
the certifying authority and seals the privilege attribute data in a ticket.
The authorization protocol, DCE Authorization, determines the permissions
granted to principals by comparing the privilege attributes in PACs with
entries in an access control list.
		|.XREF|
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|privilege required
|.ACR|
	|.DEFIN|1|DFS: The administrative privilege required to
issue a DFS command that affects filesets or DFS server processes.
Administrative privilege for a DFS server process is granted to a user
who is listed in the administrative list for that server process.
		|.XREF|administrative list
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|Privilege Service
|.ACR|
	|.DEFIN|1|One of three services provided by DCE Security; the Privilege
Service certifies a principal's privileges. The other services are the Registry
Service and the Authentication Service.
		|.XREF|
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|privileged instructions
|.ACR|
	|.DEFIN|1|System control instructions that can only run in the processor's
privileged, or supervisor, state. Privileged instructions generally
manipulate virtual machines or the memory manager and are not used ordinarily
by application programmers.
		|.XREF|privileged state
		|.XREF|unprivileged instructions
		|.BOOK|
		|.TOPIC|
|.TERM|privileged state
|.ACR|
	|.DEFIN|1|A hardware protection state in which the processor can run
privileged instructions. Contrast with \s12\f(HIunprivileged state\s12\fH.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|privileged user
|.ACR|
	|.DEFIN|1|The account with root user authority.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|problem determination
|.ACR|
	|.DEFIN|1|The process of identifying the source of a problem. Often this
process identifies programs, equipment, data communications facilities, or
user errors as the source of the problem.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|problem determination procedure
|.ACR|
	|.DEFIN|1|A prescribed sequence of steps aimed at recovery from, or
circumvention of, problem conditions.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|procedure
|.ACR|
	|.DEFIN|1|*
		|.XREF|shell procedure
		|.BOOK|
		|.TOPIC|
	|.DEFIN|2|In a programming language, a block, with or without formal
parameters, whose execution is invoked by means of a procedure call.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|3|The description of the actions taken to solve a problem.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|4|A set of related control statements that cause one or more
programs to be executed.
		|.XREF|
		|.BOOK|OSUsersGd
		|.TOPIC|
	|.DEFIN|5|Synonym for \s12\f(HIfunction\s12\fH.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|procedure declaration
|.ACR|
	|.DEFIN|1|RPC: The syntax for an operation, including its
name, the data type of the value it returns (if any), and the
number, order, and data types of its parameters (if any).
		|.XREF|
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|process
|.ACR|
	|.DEFIN|1|A sequence of actions required to produce a desired result.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|2|An entity receiving a portion of the processor's time for
executing a program.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|3|An activity within the system that is started by a command, a
shell program, or another process. When a program is running, it is called a
\fIprocess\fP.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|4|In a computer system, a unique, finite course of events defined
by its purpose or by its effect, achieved under given conditions.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|5|Any operation or combination of operations on data.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|6|In the operating system, the current state of a program that is
running. This includes a memory image, the program data, variables used,
general register values, the status of opened files used, and the current
directory. Programs running in a process must be either operating system
programs or user programs.
		|.XREF|
		|.BOOK|OSUsersGd
		|.BOOK|OSAdminGd
		|.TOPIC|
	|.DEFIN|7|An address space and the threads of control that execute
within it, as well as the associated system resources.
		|.XREF|
		|.BOOK|OSExtGd
		|.TOPIC|
	|.DEFIN|8|An address space, the threads of control that execute
within it, and the associated system resources.
		|.XREF|
		|.BOOK|OSApplProgGd
		|.TOPIC|
|.TERM|process accounting
|.ACR|
	|.DEFIN|1|An analysis of how each process uses the processing unit,
memory, and I/O resources.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|process code
|.ACR|
	|.DEFIN|1|An encoding scheme that is used when a program is
manipulating or processing characters. Process codes 
are designed for efficiently
manipulating character data but should not be used to communicate 
character data. Process codes should only be used in a single program
execution and should not be written to a file.
		|.XREF|
		|.BOOK|OSApplProgGd
		|.TOPIC|
|.TERM|process entry
|.ACR|
	|.DEFIN|1|DFS: A definition in the
.B "BosConfig"
file that determines
a server process to run, the process's type, and any command
parameters used by the process.
		|.XREF|
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|process ID
|.ACR|PID
	|.DEFIN|1|A unique number assigned to a process that is running.
		|.XREF|
		|.BOOK|OSUsersGd
		|.TOPIC|
|.TERM|process image
|.ACR|
	|.DEFIN|1|*
		|.XREF|new\(LI-process image
		|.BOOK|
		|.TOPIC|
|.TERM|process lock
|.ACR|
	|.DEFIN|1|Allows the calling process to lock or unlock both its text and
data segments into memory.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|process pacing
|.ACR|
	|.DEFIN|1|*
		|.XREF|pacing
		|.BOOK|
		|.TOPIC|
|.TERM|process table
|.ACR|
	|.DEFIN|1|A kernel data structure that contains relevant information about
all processes in the system.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|profile
|.ACR|
	|.DEFIN|1|RPC: An entry in a name service database that
contains a collection of elements from which NSI search operations
construct search paths for the database. Each search path is
composed of one or more elements that refer to name service entries
corresponding to a given RPC interface and, optionally, a given object.
		|.XREF|NSI profile attribute
		|.XREF|profile element
		|.BOOK|introDCE
		|.TOPIC|
	|.DEFIN|2|A file containing customized settings for a system or user.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|3|Data describing the significant features of a user, program, or
device.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|4|In security, a description of the characteristics of an entity
to which access is controlled.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|profile element
|.ACR|
	|.DEFIN|1|RPC: A record in an RPC profile that maps an RPC
interface identifier to a profile member (a server entry, group,
or profile in a name service database).
		|.XREF|group
		|.XREF|interface identifier
		|.XREF|profile
		|.XREF|server entry
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|profile member
|.ACR|
	|.DEFIN|1|RPC: A name service entry whose name occupies the
member field of an element of the profile.
		|.XREF|profile
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|program
|.ACR|
	|.DEFIN|1|A file containing a set of instructions that conform to a
particular programming language syntax.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|2|A sequence of instructions suitable for processing by a
computer. Processing can include the use of an assembler, compiler,
interpreter, or translator to prepare the program for execution, and to
execute it.
		|.XREF|
		|.BOOK|OSUsersGd
		|.TOPIC|
	|.DEFIN|3|In programming languages, a logical assembly of one or more
interrelated modules.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|4|To design, write, and test computer programs.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|program assertion
|.ACR|
	|.DEFIN|1|A mathematical statement used in attempts to verify program
corrections. In the OSF/1 Operating System, the \s12\f(HBassert\s12\fH
subroutine tests program assertions.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|program counter
|.ACR|
	|.DEFIN|1|A register in the processing unit that guides the computer
through the program. Synonym for \(LI\s12\f(HIinstruction address
register\(LI\s12\fH.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|program date
|.ACR|
	|.DEFIN|1|The date associated with a program or job step.
		|.XREF|creation date
		|.XREF|session date
		|.XREF|system date
		|.BOOK|
		|.TOPIC|
|.TERM|Program Initialization Parameters
|.ACR|PIP
	|.DEFIN|1|Data passed to a program when it starts running. This data
modifies the actions taken by that program or the environment in which that
program runs.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|program status block
|.ACR|PSB
	|.DEFIN|1|A control block that describes a virtual interrupt condition.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|program text
|.ACR|
	|.DEFIN|1|The executable part of a program.
		|.XREF|text
		|.BOOK|
		|.TOPIC|
|.TERM|program trap
|.ACR|
	|.DEFIN|1|*
		|.XREF|trap
		|.BOOK|
		|.TOPIC|
|.TERM|program unit
|.ACR|
	|.DEFIN|1|A main program or a subprogram. Synonymous with
\s12\f(HImodule\s12\fH.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|programmable character set
|.ACR|PCS
	|.DEFIN|1|A geometric text font.
		|.XREF|geometric text
		|.BOOK|
		|.TOPIC|
|.TERM|programmable terminal
|.ACR|
	|.DEFIN|1|A user terminal that has computational capabilities.
		|.XREF|
		|.BOOK|
		|.TOPIC|
	|.DEFIN|2|A terminal that can be programmed to performed user-determined
functions.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|Programmers' Hierarchical Interactive Graphics System
|.ACR|PHIGS
	|.DEFIN|1|A proposed ANSI and ISO standard. PHIGS defines an application
programming interface designed for interactive two-dimensional and
three-dimensional graphics applications.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|prompt
|.ACR|
	|.DEFIN|1|A displayed symbol or message that requests information or
operator action.
		|.XREF|
		|.BOOK|OSUsersGd
		|.BOOK|OSAdminGd
		|.TOPIC|
|.TERM|PromptDialog
|.ACR|
	|.DEFIN|1|A DialogBox that prompts the user for some input.
		|.XREF|
		|.BOOK|MotifUsersGd
		|.TOPIC|
|.TERM|propagation time
|.ACR|
	|.DEFIN|1|The time necessary for a signal to travel from one point to
another on a communications line.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|property
|.ACR|
	|.DEFIN|1|An entity associated with a window and consisting of a
name, a type, a data format, and data.  Properties are often used for
communicating between clients and between a client and the window
manager.
		|.XREF|
		|.BOOK|MotifProgGd
		|.TOPIC|
|.TERM|protected field
|.ACR|
	|.DEFIN|1|A displayed field in which a user cannot enter, modify, or erase
data.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|protection
|.ACR|
	|.DEFIN|1|An arrangement for restricting access to or use of all or part
of a computer system.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|protection level
|.ACR|
	|.DEFIN|1|The degree to which secure network communications
are protected.
		|.XREF|
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|protection state
|.ACR|
	|.DEFIN|1|An arrangement for restricting access to, or use of, all or part
of the hardware instruction set. The hardware protection states are
privileged state and unprivileged state. The virtual machine protection
states are operating system state and problem state.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|protocol
|.ACR|
	|.DEFIN|1|A set of semantic and syntactic rules that determines the
behavior of functional units in achieving communication.
		|.XREF|
		|.BOOK|OSAdminGd
		|.TOPIC|
	|.DEFIN|2|A set of semantic and syntactic rules for communications
between processes.  These processes can be servers and clients.
		|.XREF|
		|.BOOK|OSNetComAdminGd
		|.TOPIC|
|.TERM|protocol family
|.ACR|
	|.DEFIN|1|A collection of protocols that are related by being part
of a single network architecture.
		|.XREF|communications domain
		|.BOOK|OSNetComAdminGd
		|.BOOK|OSNetAppProgGd
		|.BOOK|OSExtGd
		|.TOPIC|
|.TERM|protocol-independent
|.ACR|
	|.DEFIN|1|
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|protocol sequence
|.ACR|
	|.DEFIN|1|*
		|.XREF|RPC protocol sequence
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|protocol sequence vector
|.ACR|
	|.DEFIN|1|RPC: A data structure that contains an array-size
count and an array of pointers to RPC protocol-sequence strings.
		|.XREF|RPC protocol sequence
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|PSAP
|.ACR|
	|.DEFIN|1|*
		|.XREF|Presentation Service Access Point
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|PSB
|.ACR|
	|.DEFIN|1|*
		|.XREF|program status block
		|.BOOK|
		|.TOPIC|
|.TERM|PSDN
|.ACR|
	|.DEFIN|1|*
		|.XREF|public switched data network
		|.BOOK|
		|.TOPIC|
|.TERM|pseudo-device
|.ACR|
	|.DEFIN|1|A device which consists of a software simulation, rather
than hardware; for example, a pty (pseudo-tty) device.  The driver for
a pseudo-device does not have a bottom half.
		|.XREF|
		|.BOOK|OSExtGd
		|.BOOK|OSAdminGd
		|.TOPIC|
|.TERM|pseudo-page transition
|.ACR|
	|.DEFIN|1|nroff and troff cause a pseudo-page transition when they first
encounter a break or begin processing text outside a diversion.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|pseudo-random number sequence
|.ACR|
	|.DEFIN|1|An ordered set of numbers that has been determined by some
defined arithmetic process, but that effectively performs as a random number
sequence.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|pseudo-terminal
|.ACR|pty
	|.DEFIN|1|A special file in the \fB/dev\fP directory that
effectively functions as a keyboard and display device.
		|.XREF|
		|.BOOK|OSExtGd
		|.TOPIC|
|.TERM|pseudotarget
|.ACR|
	|.DEFIN|1|*
		|.XREF|special target
		|.BOOK|OSApplProgGd
		|.TOPIC|
|.TERM|PSN
|.ACR|
	|.DEFIN|1|*
		|.XREF|public switched network
		|.BOOK|
		|.TOPIC|
|.TERM|PSTN
|.ACR|
	|.DEFIN|1|*
		|.XREF|public switched telephone network
		|.BOOK|
		|.TOPIC|
|.TERM|PTF
|.ACR|
	|.DEFIN|1|*
		|.XREF|program temporary fix
		|.BOOK|
		|.TOPIC|
|.TERM|PTN
|.ACR|
	|.DEFIN|1|*
		|.XREF|public telephone network
		|.BOOK|
		|.TOPIC|
|.TERM|PTT
|.ACR|
	|.DEFIN|1|Post, Telegraph, and Telephone authority.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|pty
|.ACR|
	|.DEFIN|1|*
		|.XREF|pseudo terminal
		|.BOOK|
		|.TOPIC|
|.TERM|public data network
|.ACR|PDN
	|.DEFIN|1|A communications common carrier network providing data
communications services over switched or nonswitched lines.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|public object
|.ACR|
	|.DEFIN|1|XOM: An object that is represented by a data
structure whose format is part of the service's specification.
		|.XREF|
		|.BOOK|introDCE
		|.TOPIC|
	|.DEFIN|2|XDS: A descriptor list that contains all of the OM
attributes of an OM object.
		|.XREF|
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|public switched data network
|.ACR|PSDN
	|.DEFIN|1|A communications common carrier network that provides data
communications services over switched lines.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|public switched network
|.ACR|PSN
	|.DEFIN|1|A communications service through which users can be connected by
dialing specific service address numbers.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|public switched telephone network
|.ACR|PSTN
	|.DEFIN|1|A communications common carrier network that provides voice and
data communications services over switched lines.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|public telephone network
|.ACR|PTN
	|.DEFIN|1|A communications common carrier network that provides voice and
data communications services over switched or nonswitched lines.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|Pulldown Menu
|.ACR|
     |.DEFIN|1|A Menu that is pulled down from a client application's title bar.
          |.XREF|
          |.BOOK|MotifStyleGd
          |.BOOK|MotifUsersGd
          |.TOPIC|
|.TERM|pulse dialing
|.ACR|
	|.DEFIN|1|Rotary dialing.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|pulse modulation
|.ACR|
	|.DEFIN|1|Transmitting data by altering (modulating) a pulsed or
intermittent carrier.
		|.XREF|
		|.BOOK|
		|.TOPIC|
|.TERM|purported name
|.ACR|
	|.DEFIN|1|A construct that is syntactically a name, but that has
not yet been shown to be a valid name.
		|.XREF|
		|.BOOK|introDCE
		|.TOPIC|
|.TERM|PushButton
|.ACR|
     |.DEFIN|1|A graphic component that simulates a real-life push
button.  When a user pushes the PushButton, by pressing a key or a mouse
button, an action takes place.
          |.XREF|
          |.BOOK|MotifStyleGd
          |.TOPIC|
     |.DEFIN|2|A graphic component that simulates a real-life PushButton.
You use the mouse to push the button and start an action.
          |.XREF|
          |.BOOK|MotifUsersGd
          |.TOPIC|
|.TERM|PVC
|.ACR|
	|.DEFIN|1|*
		|.XREF|permanent virtual circuit
		|.BOOK|
		|.TOPIC|
|.TERM|pvol
|.ACR|
	|.DEFIN|1|Structure which describes the current state of its
associated physical volume, and describes each physical volume.
		|.XREF|Logical Volume Manager
		|.XREF|physical volum
		|.XREF|logical volume
		|.BOOK|DesignofOS
		|.TOPIC|
|.TERM|PVRA
|.ACR|
	|.DEFIN|1|Physical volume data area that contains information
that the Logical Volume Manager needs to know about the physical
volume (and the volume group to which the physical volume belongs).
		|.XREF|Logical Volume Manager
		|.XREF|physical volume
		|.XREF|volume group reserved area
		|.BOOK|DesignofOS
		|.TOPIC|
