lid
Display a user's groups or a group's users
TLDR
List groups for a user
$ sudo lid [username]
List users in a group$ sudo lid -g [groupname]
List groups for the current user$ sudo lid
SYNOPSIS
lid [options] [name]
DESCRIPTION
lid displays a user's groups or a group's users. It reads from the system's user and group databases to show membership information. Without arguments, it shows groups for the current user.
PARAMETERS
-g, --group
Treat the argument as a group name and list its membersname
User or group name to query (user by default)
INSTALL
sudo dnf install libuser
sudo apk add libuser
sudo zypper install libuser
CAVEATS
Requires root privileges to access all group membership information. Part of the libuser library tools for user and group account management.