


How do Linux users change user groups?
Methods for Linux users to change user groups: 1. Use the "usermod -g" command to forcefully set the group to which a user belongs; 2. Use the "usermod -G" command to change a user to "group(s) )"; 3. Add the user to a certain group "(s)" through the "usermod -a -G" command.
The operating environment of this tutorial: linux5.9.8 system, DELL G3 computer
How do Linux users change the user group?
Linux method of modifying the group of a user
usermod -g 用户组 用户名
Forcibly set the group of a user
usermod -g 用户组 用户名
Change a user to group( s)
usermod -a -G 用户组 用户名
Add the user into a certain group(s)
Attached is usermod usage instructions:
Function description:
Modify user account.
Syntax:
usermod [-LU][-c <备注>][-d <登入目录>][-e <有效期限>][-f <缓冲天数>][-g <群组>][-G <群组>][-l <帐号名称>][-s <shell>][-u <uid>][用户帐号]
Supplementary instructions: usermod can be used to modify various settings of the user account.
Parameters:
-c
-d Login directory> Modify the directory when the user logs in.
-e
-f
-g
-G
-l
-L Lock the user password and make the password invalid.
-s
-u
-U Unlock the password.
Related examples:
Linux modify account
Modifying a user account is to change the relevant attributes of the user according to the actual situation, such as user number, home directory, User group, login shell, etc.
Use the usermod command to modify the information of an existing user. The format is as follows:
usermod 选项 用户名
Commonly used options include -c, -d, -m, -g, -G, -s, - u and -o, etc., these options have the same meaning as the options in the useradd command, and they can specify new resource values for the user.
In addition, some systems can use the option: -l new username
This option specifies a new account, that is, changing the original username to a new username.
For example:
# usermod -s /bin/ksh -d /home/z –g developer sam
This command changes the login shell of user sam to ksh, the home directory to /home/z, and the user group to developer.
Recommended learning: "Linux Video Tutorial"
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