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Annotation of researchv10dc/dist/man/v4/man1/who.1, revision 1.1.1.1

1.1       root        1: .th WHO I 3/15/72
                      2: .sh NAME
                      3: who  \*-  who is on the system
                      4: .sh SYNOPSIS
                      5: .bd who
                      6: [ who-file ]
                      7: .sh DESCRIPTION
                      8: .it Who,
                      9: without an argument,
                     10: lists the name, typewriter channel, and login time
                     11: for each current UNIX user.
                     12: .s3
                     13: Without an argument,
                     14: .it who
                     15: examines the /tmp/utmp
                     16: file to obtain its information.
                     17: If a file is given, that file is examined.
                     18: Typically the given file will be /tmp/wtmp,
                     19: which contains a record of all the logins since it
                     20: was created.
                     21: Then
                     22: .it who
                     23: will list
                     24: logins, logouts, and crashes since the creation of
                     25: the wtmp file.
                     26: .s3
                     27: Each login is listed with user name,
                     28: typewriter name (with `/dev/'
                     29: suppressed),
                     30: and date and time.
                     31: When an argument is given, logouts produce a similar line without a user name.
                     32: Reboots produce a line with `x' in the place of the device name,
                     33: and a fossil time indicative of when the system went down.
                     34: .sh FILES
                     35: /tmp/utmp
                     36: .sh "SEE ALSO"
                     37: login(I), init(VII)
                     38: .sh BUGS

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