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Full Discussion: Users Not Logged in
Top Forums Shell Programming and Scripting Users Not Logged in Post 302302023 by methyl on Sunday 29th of March 2009 08:52:23 PM
Old 03-29-2009
To: cfajohnson
warlock129 has not stated his Operating System and preferred shell.
What Operating System are you running which does not have unix "pg" or "logins"?
BTW. This is "www.unix.com" and has Linux sub-forums.

On a 1000 user system with 500 users logged in I reckon that one sort of 1500 lines will beat 1000 grep's of a 500 line file.

Last edited by methyl; 03-29-2009 at 10:12 PM.. Reason: Added argument. Removed some rudeness.
 

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LOGINS(1)						    BSD General Commands Manual 						 LOGINS(1)

NAME
logins -- display account information SYNOPSIS
logins [-admopstux] [-g groups] [-l logins] DESCRIPTION
The logins utility displays information about user and system accounts. The following options are available: -a Display information about the password change and account expiration times for each account. -d Select accounts with duplicate UIDs. -g groups Select accounts that are members of the specified groups. If multiple group names are specified, they must be separated with com- mas. -l logins Select accounts matching the specified login names. If multiple names are specified, they must be separated with commas. -m Show information about secondary groups. -o Display the information for each account on a single line of colon-separated fields. -p Select accounts with no password. -s Select system accounts. These are currently defined as accounts with UIDs below 1000, plus the ``nobody'' account (UID 65534). -t Sort selected accounts by name rather than by UID. -u Select user accounts. These are currently defined as accounts with UIDs above 1000, except the ``nobody'' account (UID 65534). -x Display information about each account's home directory and shell. If multiple selection options are specified, all accounts matching any of the selection criteria will be displayed. If no selection options are specified, all accounts will be displayed. SEE ALSO
getgrent(3), getpwent(3), group(5), passwd(5), pw(8) HISTORY
The logins utility appeared in FreeBSD 4.10. AUTHORS
The logins utility was written by Dag-Erling Smorgrav <des@FreeBSD.org> based on similar utilities in other operating systems. BSD
March 6, 2004 BSD
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