lusermod(1): Modify user - Linux man page

NAME

-c, --gecos=gecos: Set user's SM]GECOS field to gecos. The SM]GECOS field is traditionally used to store user's real name and other information.
-d, --directory=directory: Set user's home directory to directory.
-g, --gid=gid: Change user's primary group ID to gid.
-i, --interactive: Ask all questions when connecting to the user database, even if default answers are set up in libuser configuration.
-L, --lock: Lock user's account. This prevents logging in using user's password.
-l, --login=name: Rename user to name.
-m, --movedirectory: After changing user's home directory (using the -d option), move the old home directory to the new location.
-P, --plainpassword=password: Set user's password to password. Note that the password can be viewed while running lusermod using tools such as ps(1).
-p, --password=encrypted: Set user's password to the password represented by the hash encrypted. Note that the hash can be viewed while running lusermod using tools such as ps(1).
-s, --shell=shell: Set user's login shell to shell.
-U, --unlock: Unlock user's account.
-u, --uid=uid: Change user's user ID to uid.