SHELL

linux groups

cat /etc/group

cat /etc/groups | grep <groupname>
  
# Example:
cat /etc/groups | grep sudo
# Output
sudo:x:27:<user1>, <user2>, <user3>...

# sudo : group name
# x : password (encrypted for security reasons)
# 27 : could be another number, represents group ID
# list of users in group

How to create a group in linux

sudo groupadd group_name

#to delete the group
sudo groupdel group_name

linux groups

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

create group in linux command example

groupadd [OPTIONS] GROUPNAME

what is group in linux?

User: the owner of the file (person who created the file).
Group:the group can contain multiple users. Therefore, all users in that group will have the same permissions. It makes things easier than assign permission for every user you want.