userdel - Delete a user account and related files
userdel [-r] login
The userdel command modifies the system account files, deleting all
entries that refer to login. If USERGROUPS_ENAB is set to yes in
/etc/login.defs, then userdel will also remove entries in /etc/group
that refer to login if, and only if, there are no members of that group
listed, or the only member is login. The named user must exist.
-r Files in the user's home directory will be removed along with
the home directory itself and the user's mail spool. Files
located in other file systems will have to be searched for and
deleted manually.
/etc/passwd - user account information
/etc/shadow - secure user account information
/etc/group - group information
/etc/login.defs - login configuration file
0 - success
1 - can't update password file
2 - bad command syntax
6 - specified user doesn't exist
8 - user currently logged in
10 - can't update group file
12 - can't remove home directory
userdel will not allow you to remove an account if the user is currently
logged in. You must kill any running processes which belong to
an account that you are deleting. You may not remove any NIS
attributes on an NIS client. This must be performed on the NIS server.
chfn(1), chsh(1), groupadd(8), groupdel(8), groupmod(8), passwd(1),
useradd(8), usermod(8), login.defs(5)
Julianne Frances Haugh (jfh@austin.ibm.com)
USERDEL(8)
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