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

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