TLDR
Enter a command. For example: sa, checkupdates, snap, updpkgsums.

newgrp

 
Switch primary group membership. More information: https://manned.org/newgrp.
 
  • Change user's primary group membership:
     
    newgrp {{group_name}}
     
  • Reset primary group membership to user's default group in /etc/passwd:
     
    newgrp

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