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difference between primary and secondary groups


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#1 kushal82

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Posted 25 February 2010 - 08:13 PM

What is the exact difference between a primary and the secondary group?
I havent found any book which clearly tells you the differences between the two.
Any help on this would be appreciated.
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#2 kush kumar

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Posted 19 March 2010 - 03:23 PM

Primary Group :- Every user must have one and only primary groups, Every task performed by user i.e. file creation, modification etc, effective groups for task of user will be primary group.

Secondary Group :- All groups other then primary group called secondary groups, User can be member of many secondary group. We assige secondary groups to user, to provide him addition access.
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