Linux manage Groups, Users

How to manage Groups, User in linux

List All groups in linux

cat /etc/group

List all users in group

groups <group-name>

Show a group of user

id -Gn <user-name>

Add new group

addgroup <group-name>

Delete group

groupdel <group-name>

Show all user in linux

cat  /etc/passwd

Add new user

adduser <user-name>  // create folder for user

useradd <user-name> // don't create folder for user

Delete user

deluser <user-name>

userdel <user-name>

Set password for user

passwd <user-name>

Add user to group

adduser <user-name> <group-name>

Delete user in group

deluser <user-name> <group-name>


Thanks