Developer's Daily | Unix by Example |
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who ? show who is logged on |
who [OPTION]... [ FILE | ARG1 ARG2 ] |
?H, ??heading |
print line of column headings |
?i, ?u, ??idle |
add user idle time as HOURS:MINUTES, . or old |
?l, ??lookup |
attempt to canonicalize hostnames via DNS |
?m |
only hostname and user associated with stdin |
?q, ??count |
all login names and number of users logged on |
?s |
(ignored) |
?T, ?w, ??mesg |
add user’s message status as +, - or ? |
??message |
same as ?T |
??writable |
same as ?T |
??help |
display this help and exit |
??version |
output version information and exit |
If FILE is not specified, use /var/run/utmp. /var/log/wtmp as FILE is common. If ARG1 ARG2 given, ?m presumed: ‘am i’ or ‘mom likes’ are usual. |
Report bugs to <bug-sh-utils@gnu.org>. |
The full documentation for who is maintained as a Texinfo manual. If the info and who programs are properly installed at your site, the command |
info who |
should give you access to the complete manual. |
Copyright © 1999 Free Software Foundation, Inc. |