09-07-2008
bash shell script
i want to monitor which users logged in to unix system if users who logged in more than once then store to a text file .
any idea?
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USERS(1) User Commands USERS(1)
NAME
users - print the user names of users currently logged in to the current host
SYNOPSIS
users [OPTION]... [FILE]
DESCRIPTION
Output who is currently logged in according to FILE. If FILE is not specified, use /var/run/utmp. /var/log/wtmp as FILE is common.
--help display this help and exit
--version
output version information and exit
AUTHOR
Written by Joseph Arceneaux and David MacKenzie.
REPORTING BUGS
GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
Report users translation bugs to <http://translationproject.org/team/>
COPYRIGHT
Copyright (C) 2017 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
SEE ALSO
getent(1), who(1)
Full documentation at: <http://www.gnu.org/software/coreutils/users>
or available locally via: info '(coreutils) users invocation'
GNU coreutils 8.28 January 2018 USERS(1)