wheel bit
A privilege bit that allows the possessor to perform some restricted operation
on a time-sharing 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 (especially at university
sites). See also root.
Nearby terms:
What You See Is All You Get « What You See Is What
You Get « wheel « wheel bit » wheel wars »
When It's Done » Whetstone
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