Subject: Re: wheel? (was: wheel vs root (newby question?))
To: Scott Telford <st@epcc.ed.ac.uk>
From: Shawn Pearce <spearce@injersey.com>
List: current-users
Date: 01/09/1996 16:46:10
At 11:44 AM 1/9/96, Scott Telford wrote:
>>From The Jargon File 3.2.0:
>
>:wheel: n. [from slang `big wheel' for a powerful person] A
> person who has an active {wheel bit}. "We need to find a wheel
> to unwedge the hung tape drives." (See {wedged}, sense 1.)
> The traditional name of security group zero in {BSD} (to which
> the major system-internal users like {root} belong) is
> `wheel'. Some vendors have expanded on this usage, modifying
> UNIX so that only members of group `wheel' can {go root}
>
>:wheel bit: n. A privilege bit that allows the possessor to
> perform some restricted operation on a timesharing system, such as
> read or write any file on the system regardless of protections,
> change or look at any address in the running monitor, crash or
> reload the system, and kill or create jobs and user accounts. The
> term was invented on the TENEX operating system, and carried over
> to TOPS-20, XEROX-IFS, and others. The state of being in a
> privileged logon is sometimes called `wheel mode'. This term
> entered the UNIX culture from TWENEX in the mid-1980s and has been
> gaining popularity there (esp. at university sites). See also
> {root}.
Much better than mine. I like it. ;-)
Shawn.
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