The rmuser command removes a storage image user account. CLI users with administrative authority use this command to delete a user account file. Administrators use their passwords in the required field.
dscli>rmuser testuser
Sun Aug 11 02:23:49 PST 2004 IBM DS CLI Version 5.0.0.0 DS: IBM.1750-68FA120 Are you sure you want to delete User Name testuser? y/n Y User Name testuser successfully deleted.