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Adding and removing members to a group

Adding and removing members to a group

●Add members to a group

To add a member to an existing group, run the gpasswd command with the option “-a”.

The argument is the name of the user or group to be added and executed.
This process can be executed by root or a user registered as a group administrator.

[root@Lion ~]# gpasswd -a koro newgr ←Add “koro” to the “newgr” group
Adding user koro to group newgr
[root@Lion ~]# cat /etc/group | grep koro ←Verify that you have been added to the group
newgr:x:600:koro
koro:x:601:

●Removing a member from a group

To remove a member from an existing group, run the gpasswd command with the option “-d”.

Specify the user name and group name to be deleted as arguments and execute.
This process can be performed by root or a user registered as a group administrator.

[root@Lion ~]# cat /etc/group | grep koro
newgr:x:600:koro
koro:x:601:
[root@Lion ~]# gpasswd -d koro newgr  ←Remove koro from the group “newgr”.
Removing user koro from group newgr
[root@Lion ~]# cat /etc/group | grep koro  ←Make sure you are out of the group.
koro:x:601:
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