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Annotation of 43BSDReno/usr.bin/who/who.1, revision 1.1

1.1     ! root        1: .\" Copyright (c) 1990 Regents of the University of California.
        !             2: .\" All rights reserved.  The Berkeley software License Agreement
        !             3: .\" specifies the terms and conditions for redistribution.
        !             4: .\"
        !             5: .\"     @(#)who.1      6.3 (Berkeley) 6/24/90
        !             6: .\"
        !             7: .TH WHO 1 "%Q"
        !             8: .AT 3
        !             9: .SH NAME
        !            10: who \- who is on the system
        !            11: .SH SYNOPSIS
        !            12: .B who
        !            13: [ who-file ] [
        !            14: .B "am I"
        !            15: ]
        !            16: .SH DESCRIPTION
        !            17: \fIWho,\fP without any argument, reads the /var/run/utmp file,
        !            18: and lists the login name, terminal name, and login time for each
        !            19: user currently logged into the system.  If a single argument is
        !            20: given, \fIwho\fP uses that file instead of /var/run/utmp.  Typically,
        !            21: that file will be /var/log/wtmp, which contains a record of all
        !            22: the logins, logouts, crashes, shutdowns and time changes since it
        !            23: was created.  In either case, each login will be listed with the
        !            24: user name, the terminal name (with "/dev/" suppressed), login date
        !            25: and time, and, if applicable, the host logged in from.
        !            26: .PP
        !            27: If /var/log/wtmp is being used as the file, the user name may be empty
        !            28: or one of the special characters '|', '}' and '~'.  Logouts produce
        !            29: an output line without any user name.  For more information on the
        !            30: special characters, see utmp(5).
        !            31: .PP
        !            32: With two arguments, as in `who am I' (and also `who are you'),
        !            33: \fIwho\fP tells you who you are logged in as.
        !            34: .SH FILES
        !            35: .DT
        !            36: /var/run/utmp
        !            37: .br
        !            38: /var/log/wtmp
        !            39: .SH "SEE ALSO"
        !            40: last(1), users(1), getuid(2), utmp(5)

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