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Homework and Emergencies Homework & Coursework Questions Help with unix commands for user logins Post 302635947 by agama on Sunday 6th of May 2012 08:55:59 PM
Old 05-06-2012
Seems to me the -n option to last would be helpful as well as the ability to sepecify the user name on the command line to limit what last presents. It is quite possible that in your environment the last command is different. What environment are you running (shell and o/s)?
 

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listusers(1)						      General Commands Manual						      listusers(1)

NAME
listusers - display user login data SYNOPSIS
groups] logins] DESCRIPTION
The command displays data concerning user logins. The output shows the user login and the comment field value (for example, user name, location). The default displays data about all user logins. Options The command supports the following options: Display only users who have groups, as their primary group. Use with the option. Display only users who have groups, as their supplementary group. Use with the option. Display all users belonging to groups, sorted by login. A comma separated list specifies multiple groups. Display the requested logins. A comma separated list specifies multiple logins. Display only users belonging to the specified repository, either for NIS or users. A user login has a UID of 100 or greater. When the and options are combined, a user login is only displayed once, even though the login may belong to multiple specified groups. EXAMPLES
List all user logins. List all user logins in the group and the users removing all duplicates. List all users who have as their primary group. List all users who have as their supplementary group. List only local user logins. List only NIS user logins. FILES
SEE ALSO
passwd(1), logins(1M), group(4), passwd(4). STANDARDS CONFORMANCE
listusers(1)
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