system, wheel and everyone


 
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# 1  
system, wheel and everyone

I open a file in MAC OSX with command i and wanted to chenge the authorisation. What is 'wheel'? Can somebody tell m what does it mean?
# 2  
"wheel" is the name of a unix group. It's just a name and has no special meaning beyond that.

See:
Code:
grep "wheel" /etc/group

# and
man group

# 3  
I say Thank you

Thank you...https://www.unix.com/images/smilies/smile.gif
# 4  
"wheel" is just a name of a group. It came from a much older administration system, or at least it's supposed that it is, but now the name just kind of exists in a vacuum. Why is it "wheel"? Because that's what "wheel"'s for, it's become it's own definition.

I suppose you could consider it to mean users in the "wheel" group are "big wheels", because sudo is usually configured to allow those in the wheel group to use it. That's mostly what it's used for now.
# 5  
To my surprise, someone has bothered to write a Wikipedia entry on this:
Wheel (Unix term) - Wikipedia, the free encyclopedia
 

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