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Annotation of cci/usr/src/man/man1/who.1, revision 1.1

1.1     ! root        1: .TH WHO 1  "18 January 1983"
        !             2: .SH NAME
        !             3: who \- who is on the system
        !             4: .SH SYNOPSIS
        !             5: .B who
        !             6: [ who-file ] [
        !             7: .B "am I"
        !             8: ]
        !             9: .SH DESCRIPTION
        !            10: .I Who,
        !            11: without an argument,
        !            12: lists the login name, terminal name, and login time
        !            13: for each current UNIX user.
        !            14: .PP
        !            15: Without an argument,
        !            16: .I who
        !            17: examines the
        !            18: .I /etc/utmp
        !            19: file to obtain its information.
        !            20: If a file is given, that file is examined.
        !            21: Typically the given file will be /usr/adm/wtmp,
        !            22: which contains a record of all the logins since it
        !            23: was created.
        !            24: Then
        !            25: .I who
        !            26: lists
        !            27: logins, logouts, and crashes since the creation of
        !            28: the wtmp file.
        !            29: Each login is listed with user name,
        !            30: terminal name (with `/dev/'
        !            31: suppressed),
        !            32: and date and time.
        !            33: When an argument is given, logouts produce a similar line without a user name.
        !            34: Reboots produce a line with `x' in the place of the device name,
        !            35: and a fossil time indicative of when the system went down.
        !            36: .PP
        !            37: With two arguments,
        !            38: as in `who am I' (and also `who are you'),
        !            39: .I who
        !            40: tells who you are logged in as.
        !            41: .SH FILES
        !            42: /etc/utmp
        !            43: .SH "SEE ALSO"
        !            44: getuid(2), utmp(5)

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