usermod — Modify a user account. See also: `users`, `useradd`, `userdel`. More information: <https://manned.or

How to use the usermod command: Modify a user account. See also: users, useradd, userdel. More information: <https://manned.org/usermod>.

usermod — Modify a user account. See also: users, useradd, userdel. More information: <https://manned.org/usermod>.

Change a username:

sudo usermod {{[-l|--login]}} {{new_username}} {{username}}

Change a user ID:

sudo usermod {{[-u|--uid]}} {{id}} {{username}}

Change a user shell:

sudo usermod {{[-s|--shell]}} {{path/to/shell}} {{username}}

Add a user to supplementary groups (mind the lack of whitespace):

sudo usermod {{[-aG|--append --groups]}} {{group1,group2,...}} {{username}}

Remove a user from specific groups:

sudo usermod {{[-rG|--remove --groups]}} {{group1,group2,...}} {{username}}

Change a user home directory:

sudo usermod {{[-m|--move-home]}} {{[-d|--home]}} {{path/to/new_home}} {{username}}

Lock an account:

sudo usermod {{[-L|--lock]}} {{username}}

Unlock an account:

sudo usermod {{[-U|--unlock]}} {{username}}

tldr-pages: linux/usermod