TLDR
Enter a command. For example: colrm, ctrlaltdel, ddcutil, mandb.

gpasswd

 
Administer /etc/group and /etc/gshadow. More information: https://manned.org/gpasswd.
 
  • Define group administrators:
     
    sudo gpasswd -A {{user1,user2}} {{group}}
     
  • Set the list of group members:
     
    sudo gpasswd -M {{user1,user2}} {{group}}
     
  • Create a password for the named group:
     
    gpasswd {{group}}
     
  • Add a user to the named group:
     
    gpasswd -a {{user}} {{group}}
     
  • Remove a user from the named group:
     
    gpasswd -d {{user}} {{group}}

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