What is the command to list users in ubuntu?. In this tutorial i’ll share How to List all users in ubuntu via command line. you can easily list users in ubuntu using the cat command as follows:
$ cat /etc/passwd
OR you can view per page ,use following commands
less /etc/passwd
more /etc/passwdOutput :
root:x:0:0:root:/root:/bin/bash
daemon:x:1:1:daemon:/usr/sbin:/bin/sh
bin:x:2:2:bin:/bin:/bin/sh
sys:x:3:3:sys:/dev:/bin/sh
sync:x:4:65534:sync:/bin:/bin/sync
games:x:5:60:games:/usr/games:/bin/sh
man:x:6:12:man:/var/cache/man:/bin/sh
lp:x:7:7:lp:/var/spool/lpd:/bin/sh
mail:x:8:8:mail:/var/mail:/bin/sh
news:x:9:9:news:/var/spool/news:/bin/sh
uucp:x:10:10:uucp:/var/spool/uucp:/bin/sh
proxy:x:13:13:proxy:/bin:/bin/sh
...........
.........
All fields are separated by a colon (:) symbol. Total seven fieldsexists. The first field is username. It is used when user logs in. Itshould be between 1 and 32 characters in length
you can also list only usernames with command awk , type these command in terminal :
awk -F':' '{ print $1}' /etc/passwd
Here’s example outputs of command above:
root
daemon
bin
sys
sync
games
man
lp
mail
news
uucp
proxy
www-data
backup
list
irc
gnats
nobody
.....
.....