Ardika Sulistija: Created page with "w - Show who is logged on and what they are doing. https://www.thegeekstuff.com/2009/03/4-ways-to-identify-who-is-logged-in-on-your-linux-system/ w command is used to show logged-in user names and what they are doing. The information will be read from /var/run/utmp file. The output of the w command contains the following columns: Name of the user User’s machine number or tty number Remote machine address User’s Login time Idle time (not usable time) Time u..."

2024-09-11T14:36:52Z

Created page with "<b>w</b> - Show who is logged on and what they are doing. https://www.thegeekstuff.com/2009/03/4-ways-to-identify-who-is-logged-in-on-your-linux-system/ w command is used to show logged-in user names and what they are doing. The information will be read from /var/run/utmp file. The output of the w command contains the following columns: Name of the user User’s machine number or tty number Remote machine address User’s Login time Idle time (not usable time) Time u..."

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<b>w</b> - Show who is logged on and what they are doing.

https://www.thegeekstuff.com/2009/03/4-ways-to-identify-who-is-logged-in-on-your-linux-system/

w command is used to show logged-in user names and what they are doing. The information will be read from /var/run/utmp file. The output of the w command contains the following columns:

Name of the user
User’s machine number or tty number
Remote machine address
User’s Login time
Idle time (not usable time)
Time used by all processes attached to the tty (JCPU time)
Time used by the current process (PCPU time)
Command currently getting executed by the users

Following options can be used for the w command:

-h Ignore the header information
-u Display the load average (uptime output)
-s Remove the JCPU, PCPU, and login time.

$ w
23:04:27 up 29 days, 7:51, 3 users, load average: 0.04, 0.06, 0.02
USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT
ramesh pts/0 dev-db-server 22:57 8.00s 0.05s 0.01s sshd: ramesh [priv]
jason pts/1 dev-db-server 23:01 2:53 0.01s 0.01s -bash
john pts/2 dev-db-server 23:04 0.00s 0.00s 0.00s w

$ w -h
ramesh pts/0 dev-db-server 22:57 17:43 2.52s 0.01s sshd: ramesh [priv]
jason pts/1 dev-db-server 23:01 20:28 0.01s 0.01s -bash
john pts/2 dev-db-server 23:04 0.00s 0.03s 0.00s w -h

$ w -u
23:22:06 up 29 days, 8:08, 3 users, load average: 0.00, 0.00, 0.00
USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT
ramesh pts/0 dev-db-server 22:57 17:47 2.52s 2.49s top
jason pts/1 dev-db-server 23:01 20:32 0.01s 0.01s -bash
john pts/2 dev-db-server 23:04 0.00s 0.03s 0.00s w -u

$ w -s
23:22:10 up 29 days, 8:08, 3 users, load average: 0.00, 0.00, 0.00
USER TTY FROM IDLE WHAT
ramesh pts/0 dev-db-server 17:51 sshd: ramesh [priv]
jason pts/1 dev-db-server 20:36 -bash
john pts/2 dev-db-server 1.00s w -s

W - Revision history