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Full Discussion: Creating groups and users
Top Forums UNIX for Advanced & Expert Users Creating groups and users Post 302697281 by Dorothy on Thursday 6th of September 2012 11:41:55 AM
Old 09-06-2012
Creating groups and users

Hi

Could anyone please suggest how we can check in Linux if a user or a group name is already existing? In case of a user the command should also be able to specify the user with a given directory and shell. We can of course check this using a grep command but since that is just a pattern match, is there any better way to do this?
 

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GROUPDEL(8)						      System Manager's Manual						       GROUPDEL(8)

NAME
groupdel - Delete a group SYNOPSIS
groupdel group DESCRIPTION
The groupdel command modifies the system account files, deleting all entries that refer to group. The named group must exist. You must manually check all filesystems to insure that no files remain with the named group as the file group ID. CAVEATS
You may not remove the primary group of any existing user. You must remove the user before you remove the group. FILES
/etc/group - group information /etc/gshadow - secure group information SEE ALSO
chfn(1), chsh(1), passwd(1), groupadd(8), groupmod(8), useradd(8), userdel(8), usermod(8) AUTHOR
Julianne Frances Haugh (jockgrrl@ix.netcom.com) GROUPDEL(8)
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