[unix-history] / man / man5 / utmp.5

.th UTMP V 9/10/73
.sh NAME
utmp \*- user information
.sh 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.
The next two words contain the user's login time.
The last word is unused.
.s3
This file resides in directory /tmp.
.sh "SEE ALSO"
/etc/init, which maintains the file;
who(I), which interprets it.
Commit	Line	Data
ab4c9b4b KT	1	.th UTMP V 9/10/73
	2	.sh NAME
	3	utmp \*- user information
	4	.sh DESCRIPTION
	5	This
	6	file allows one to discover information about who is currently
	7	using UNIX.
	8	The file is binary; each entry is 16(10) bytes long.
	9	The first eight bytes contain a user's login name or
	10	are null if the table slot is unused.
	11	The low order byte of the next word contains the last
	12	character of a typewriter name.
	13	The next two words contain the user's login time.
	14	The last word is unused.
	15	.s3
	16	This file resides in directory /tmp.
	17	.sh "SEE ALSO"
	18	/etc/init, which maintains the file;
	19	who(I), which interprets it.