Linux w command details how to use Linux w command

When you run this command, you can find out who are currently logged on to the system and the programs they are running.

If you run the w command separately, all users are displayed. You can also specify the user name to only display information about a user.

Syntax

W [-fhlsuV] [user name]

Parameter description:

• -F. Enable or disable the function to show where the user logs on to the system.
• -H: the title information column of each column is not displayed.
• -L use the detailed format list, which is the default value.
• -S uses a concise format list, which does not display the user logon time, CPU time consumed by terminal jobs and programs.
• -U ignores the name of the execution program and the CPU time consumed by the program.
• -V displays the version information.

Instance

Show current user

W // display the current user, not the logon location

19:50:14 up, 4 users, load average: 0.31, 0.26, 0.18

User tty from login @ IDLE JCPU PCPU WHAT

Root tty7: 0 Thu12 31: 39 m 10:10 0.60 s gnome-session

Root pts/0: 0.0 2: 18 m 15.26 s 0.15 s bash

Root pts/1 192.168.1.17 1.00 s 1.24 s 0.14 s-bash

Root pts/2 192.168.1.17 60.00 s 0.05 s 0.05 s-bash

Logon location not displayed

W-f

19:53:59 up, 4 users, load average: 0.05, 0.16, 0.15

User tty login @ IDLE JCPU PCPU WHAT

Root tty7 Thu12 31: 43 m 10:10 0.60 s gnome-session

Root pts/0 2: 21 m 15.26 s 0.15 s bash

Root pts/1 0.00 s 1.04 s 0.14 s-bash

Root pts/2 0.05 s 0.05 s-bash

Display in simplified mode

W-s

19:54:37 up, 4 users, load average: 0.24, 0.19, 0.16

USER TTY FROM IDLE WHAT

Root tty7: 0 31: 43 m gnome-session

Root pts/0: 0.0 2: 22 m bash

Root pts/1 192.168.1.17 0.00 s-bash

Root pts/2 192.168.1.17 5:23-bash

Do not show title

W-h

Root tty7: 0 Thu12 31: 44 m 0.60 s gnome-session

Root pts/0: 0.0 2: 23 m 15.26 s 0.15 s bash

Root pts/1 192.168.1.17 0.00 s 1.05 s 0.14 s-bash

Root pts/2 192.168.1.17 0.05 s 0.05 s-bash