cons(4) cons: SYS16 console interface.
dc(4) dc: SYS16 disk driver for ANSI interface disks.
drum(4) drum: paging device.
intro(4) intro: introduction to special files.
lp(4) lp: line printer.
mem(4) mem, kmem: main memory.
newtty(4) newtty: summary of the ``new'' tty driver.
null(4) null: data sink.
pty(4) pty: pseudo-terminal device.
sio(4) sio: eight port terminal i/o multiplexer.
tc(4) tc: Streaming tape controller interface.
tty(4) tty: general terminal interface.
