The usermod command in Linux is used to modify user accounts. It allows administrators to change various attributes of a user account without having to delete and recreate it.
Common Options:
-l: Change the username.-d: Change the home directory.-m: Move the contents of the home directory to the new location (used with-d).-aG: Add the user to supplementary groups (append).-s: Change the user's login shell.-e: Set an expiration date for the account.
Example:
To change a username from olduser to newuser, you would use:
sudo usermod -l newuser olduserTo add a user john to the group developers, you would use:
sudo usermod -aG developers johnThis command is essential for user management in Linux systems. If you have more questions about its usage, feel free to ask!
