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How to remove user from a group using command line

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Operating Systems Solaris How to remove user from a group using command line
# 1  
Old 05-08-2007
How to remove user from a group using command line
Hi,

Wanted to remove a user from a group , but no GUI , must use command line
# 2  
Old 05-08-2007
You can use the -G option to usermod to specify a comma separated list of secondary groups you want the user to be a member of - i.e. include all their previous secondary group memberships excluding the group you want to remove them from.

I always just vi /etc/group directly. Far easier than specifying a list of secondary groups to usermod.

Cheers,
ZB
# 3  
Old 09-18-2008
Java
Its a good idea to change /etc/group file. But, the changes to this file doesnt get into effect immediately. For example, if root delete an user from a group, the user has to logout and login back to get the changes into effect.

Any suggestions for instant update of changes made??
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