
\S error message \S

An error message is sent  from the system to inform you that one or
more conditions  necessary for successful execution of a command, or
other program, are not  present.  For example,  if you try to remove
a file called "temp" using

	rm temp


and if no file named "temp" exists in the current working directory,
you will get the error message

	rm: temp non-existent
