1. (operating system) The Unix superuser account (with user name "root" and user ID 0) that overrides file permissions. The term avatar is also used. By extension, the privileged system-maintenance login on any operating system.See root mode, go root, wheel. [Jargon File]
Last updated: 1994-10-272. (operating system) root directory.
Last updated: 1996-11-213. (data) root node.
Last updated: 1998-11-14