Return to utmp.5 CVS log

Up to [Power 6/32 Unix Tahoe 4.2BSD] / cci / usr / src / man / man5

Annotation of cci/usr/src/man/man5/utmp.5, revision 1.1.1.1

1.1       root        1: .TH UTMP 5  "26 July 1983"
                      2: .UC 4
                      3: .SH NAME
                      4: utmp, wtmp \- login records
                      5: .SH SYNOPSIS
                      6: .B #include <utmp.h>
                      7: .SH DESCRIPTION
                      8: The
                      9: .I utmp
                     10: file records information about who is currently using the system.
                     11: The file is a sequence of entries with the following
                     12: structure declared in the include file:
                     13: .RS
                     14: .PP
                     15: .nf
                     16: .so /usr/include/utmp.h
                     17: .fi
                     18: .RE
                     19: .PP
                     20: This structure gives the name of the special file
                     21: associated with the user's terminal, the user's login name,
                     22: and the time of the login in the form of
                     23: .IR time (3C).
                     24: .PP
                     25: The
                     26: .I wtmp
                     27: file records all logins and logouts.
                     28: A null user name indicates a logout on the associated terminal.
                     29: Furthermore, the terminal name `~' indicates that the
                     30: system was rebooted at the indicated time;
                     31: the adjacent pair of entries with terminal names
                     32: `\^|\^' and `}' indicate the system-maintained time just before and just after a
                     33: .I date
                     34: command has changed the system's idea of the time.
                     35: .PP
                     36: .I Wtmp
                     37: is maintained by
                     38: .IR login (1)
                     39: and
                     40: .IR init (8).
                     41: Neither of these programs creates the file,
                     42: so if it is removed record-keeping is turned off.  It is summarized by
                     43: .IR ac (8).
                     44: .SH FILES
                     45: /etc/utmp
                     46: .br
                     47: /usr/adm/wtmp
                     48: .SH "SEE ALSO"
                     49: login(1), init(8), who(1), ac(8)

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.