Use grpusr to query which group (or groups) a user (or users) is a member of! No more nasty shellscript parsing of /etc/group and /etc/passwd! I've done it for you!
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.
Enable snapd
Snap can be installed from the command line. Open the Konsole terminal and enter the following:
sudo apt update
sudo apt install snapd
Install grpusr
To install grpusr, simply use the following command: