linux how to show user and group name code example

Example 1: ubuntu list users in group

getent group groupname

Example 2: check which users are part of a group linux

grep 'group-name-here' /etc/group

Example 3: how to check user in group linux

# to see the group joined by current user
$ id 

groups
groups {USERNAME}
groups vivek

Example 4: check user group console linux

groups
groups userName-Here