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Diffferentiate group from users

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# 1  
Old 07-20-2009
Diffferentiate group from users
Im trying to put all the groups in into a variable called $GROUP, however in /etc/group there are also lotsa users. And the GID of group can differ as it can be set, this there is no specific range, how can i put all the names of the groups into that variable?
dplate07
# 2  
Old 07-20-2009
Code:
GROUPS=$(cut -d: -f1 /etc/group)

# 3  
Old 07-20-2009
The further code does not differentiate groups from users, it only displays the first column... any other solution to display GROUPS only ?
dplate07
# 4  
Old 07-20-2009
Just as a hint: /etc/password only contains users in the first field, /etc/group only users, even if they sometimes have the same name.
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