How to check user's UID and GID in Linux

How to check the user's UID and GID in Linux: 1. Determine your own uid and gid by checking the "/etc/passwd" file, and check the command such as "cat /etc/passwd | grep xxx"; 2 , just check the current user's ID directly through the ID command.

#The operating environment of this tutorial: linux5.9.8 system, Dell G3 computer.

How to check the user's UID and GID in Linux?

linux View the user's uid and gid

##1 .You can determine your uid and gid by looking at the /etc/passwd file

cat /etc/passwd | grep your username

Example:

aaa@aaa:~/Desktop$ cat /etc/passwd |grep aaa aaa:X:1000:1000:aaa,:/home/aaa:/bin/bash
The two characters after x The numbers are uid and gid. Here uid is 1000 and gid is also 1000

2. You can directly use the id command

(1) View the current user’s id

id

Result:

aaa@aaa:~/Desktop a$ id

uid=1000(aaa) gid=1000(aaa) group=1000(aaa )

(2) View the ids of other users

id Username

Example: View all ids of the root user

aaa@aaa:~/Desktop$ id root uid=0(root) gid=0(root) group=0(root)

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