Which of the following commands can remove a user from a group?

`grouprm` is not a standard Linux command; `groupdel` is used to delete a group, not remove a user from a group.

`groupmod` is used to modify a group's properties (like its name or GID), not to manage user memberships within it.

`passwd` is exclusively used for changing a user's password and has no functionality for managing group memberships.

`usergroups` is not a standard Linux command for user or group management.

The `usermod` command allows administrators to modify various user account properties, including supplementary group memberships. By specifying a new list of supplementary groups using the `-G` option without `-a`, a user can effectively be removed from any groups not included in the new list.