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1. Homework & Coursework Questions
1. The problem statement, all variables and given/known data:
Show all users who are currently logged in, sorted from earliest to latest log in time. The log in time includes the month, day, and time.
2. Relevant commands, code, scripts, algorithms:
finger, who, sort, pipe, head, tail,
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Hi All,
I have a specific requirement wherein I want a list of users who have logged in between 10:00 AM and 11:30 AM.
Thanks,
vini (4 Replies)
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How do I find this out? I have a feeling its a simple command such as who, but I just don't know what it is. I've had a search on here but either I can't put it into the right search criteria or there isn't a topic on it.
Thanks.
EDIT: Delete this thread, as I posted it I noticed the... (0 Replies)
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5. Shell Programming and Scripting
I have searched the forums but have not mangaed to quite find what im looking for. I have used to /etc/passwd command to present me a list of all users the who command to present all users currently logged on, but what i want to know is what command can i use to display users that are registered... (12 Replies)
Discussion started by: warlock129
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Hello,
I'm trying to do a list of user that never connected to a couple of servers. I want to do a diff between the servers lists, and print out only the users that never has logged on each server. Here my first step :
SERVER01:
# finger `egrep -v -e "^\s*#" /etc/passwd | awk '{ print $1 }' |... (4 Replies)
Discussion started by: gogol_bordello
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highst Swap space ? (2 Replies)
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8. Post Here to Contact Site Administrators and Moderators
how to find out users who logged out within 5 minutes (1 Reply)
Discussion started by: roshni
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9. Shell Programming and Scripting
in unix what is the syntax to find out how many users are currently logged in (4 Replies)
Discussion started by: trichyselva
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10. UNIX for Dummies Questions & Answers
I would like to find out the last time all users have logged in or out. I tried the last command, but it could not find the wtmp file in /var/adm (I searched in othe directories also). This is an AIX rs6000 4.2.1 system. We are moving our applications from this system to an AIX 5.2 system and I... (11 Replies)
Discussion started by: jyoung
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WHO(1) User Commands WHO(1)
NAME
who - show who is logged on
SYNOPSIS
who [OPTION]... [ FILE | ARG1 ARG2 ]
DESCRIPTION
Print information about users who are currently logged in.
-a, --all
same as -b -d --login -p -r -t -T -u
-b, --boot
time of last system boot
-d, --dead
print dead processes
-H, --heading
print line of column headings
-l, --login
print system login processes
--lookup
attempt to canonicalize hostnames via DNS
-m only hostname and user associated with stdin
-p, --process
print active processes spawned by init
-q, --count
all login names and number of users logged on
-r, --runlevel
print current runlevel
-s, --short
print only name, line, and time (default)
-t, --time
print last system clock change
-T, -w, --mesg
add user's message status as +, - or ?
-u, --users
list users logged in
--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.
AUTHOR
Written by Joseph Arceneaux, David MacKenzie, and Michael Stone.
REPORTING BUGS
Report who bugs to bug-coreutils@gnu.org
GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
General help using GNU software: <http://www.gnu.org/gethelp/>
COPYRIGHT
Copyright (C) 2009 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
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 coreutils 'who invocation'
should give you access to the complete manual.
GNU coreutils 7.1 July 2010 WHO(1)