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Top Forums Shell Programming and Scripting to find the number of users logged in Post 302119450 by ennstate on Wednesday 30th of May 2007 03:07:34 AM
Old 05-30-2007
Hope this helps

Code:
 who | awk ' { print $1 }' | sort -ud

Thanks.
Nagarajan G
 

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rusers(1)						      General Commands Manual							 rusers(1)

NAME
rusers - Display a list of users who are logged in to a remote machine SYNOPSIS
rusers [-ahilu] host... OPTIONS
Give a report for a machine even if no users are logged in. Sort alphabetically by host name. Sort by idle time. Give a longer listing in the style of who(1). Sort by number of users. DESCRIPTION
The rusers command displays information about users and processes running on remote machines. The listing is in the order in which responses are received, but this order can be changed by specifying one of the options listed in the OPTIONS section. By default the rusers command prints the names of the users logged in. When the -l option is given, additional information is printed for each user, as follows: userid hostname:terminal login date login time idle time login host If hostname and login host are the same value, the login host field is not displayed. Likewise, if hostname is not idle, the idle time is not displayed. A remote host only responds if it is running the rusersd daemon, which may be started from the inetd daemon or the listen function. SEE ALSO
Commands: who(1), inetd(8) Functions: listen(2) rusers(1)
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