get all user groups linux code example

Example 1: linux show groups

cut -d: -f1 /etc/group | sort

Example 2: how to check user in group linux

# to see the group joined by current user
$ id 

groups
groups {USERNAME}
groups vivek

Example 3: linux list user group

groups [user name]
# [user name] : (optionnal) the user to list the group of
#                           default is the one executing the command.