Ubuntu Users and Groups

Add a new user

# Add a user sudo useradd user1 # Add a user AND create HOME (/home/user1) directory sudo useradd --create-home user1 # Add a password for user 1 sudo passwd user1 # Add user Interactively sudo adduser user2

Manage Groups

# Add or Delete Groups sudo addgroup groupname sudo delgroup groupname # Add user to a group sudo usermod -a -G groupname user1 # list groups getent group less /etc/group # All groups of a User groups user1 id user1 # All users of a group getent group sudo