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分类: Android平台

2018-03-01 20:23:37

https://www.cnblogs.com/eastday/archive/2013/06/09/3128235.html

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/passwd
 

Output :

复制代码
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
...........
.........
复制代码

 

All fields are separated by a colon (:) symbol. Total seven fields exists. The first field is username. It is used when user logs in. It should 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:

复制代码
root
daemon
bin
sys
sync
games
man
lp
mail
news
uucp
proxy
www-data
backup
list
irc
gnats
nobody
.....
.....
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