11/3/71 UTMP (V)
NAME /tmp/utmp -- user information
SYNOPSIS --
DESCRIPTION This file allows one to discover information
about who is currently using UNIX. The file is
binary; each entry is 16(10) bytes long. The
first eight bytes contain a user's login name or
are null if the table slot is unused. The low
order byte of the next word contains the last
character of a typewriter name (currently, '0' to
'5' for /dev/tty0 to /dev/tty5). The next two
words contain the user's login time. The last
word is unused.
This file resides in directory /tmp.
FILES --
SEE ALSO /etc/init, which maintains the file.
DIAGNOSTICS --
BUGS --
OWNER ken, dmr