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NetBSD 6.1.5 - man page for userdel (netbsd section 8)

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USERDEL(8)			   BSD System Manager's Manual			       USERDEL(8)

     userdel -- remove a user from the system

     userdel -D [-p preserve-value]
     userdel [-rSv] [-p preserve-value] user

     The userdel utility removes a user from the system, optionally removing that user's home
     directory and any subdirectories.

     Default values are taken from the information provided in the /etc/usermgmt.conf file,
     which, if running as root, is created using the built-in defaults if it does not exist.

     The first form of the command shown above (using the -D option) sets and displays the
     defaults for the userdel utility.

     See user(8) for more information about EXTENSIONS.

     -D      Without any further options, -D will show the current defaults which will be used by
	     the userdel utility.  Together with one of the options shown for the first version
	     of the command, -D will set the default to be the new value.  This option is
	     included if built with EXTENSIONS.

     -p preserve-value
	     Set the preservation value.  If this value is one of 'true', 'yes', or a non-zero
	     number, then the user login information will be preserved.  This option is included
	     if built with EXTENSIONS.

     In the second form of the command, after setting any defaults, and then reading values from
     /etc/usermgmt.conf, the following command line options are processed:

     -p preserve-value
	     Preserve the user information in the password file, but do not allow the user to
	     login, by switching the password to an ``impossible'' one, and by setting the user's
	     shell to the nologin(8) program.  This option can be helpful in preserving a user's
	     files for later use by members of that person's group after the user has moved on.
	     This value can also be set in the /etc/usermgmt.conf file, using the 'preserve'
	     field.  If the field has any of the values 'true', 'yes', or a non-zero number, then
	     user information preservation will take place.  This option is included if built
	     with EXTENSIONS.

     -r      Remove the user's home directory, any subdirectories, and any files and other
	     entries in them.

     -S      Allow a samba user name (with a trailing dollar sign) to be deleted.  This option is
	     included if built with EXTENSIONS.

     -v      Perform any actions in a verbose manner.  This option is included if built with

     Once the information has been verified, userdel uses pwd_mkdb(8) to update the user data-
     base.  This is run in the background, and, at very large sites could take several minutes.
     Until this update is completed, the password file is unavailable for other updates and the
     new information is not available to programs.

     The userdel utility exits 0 on success, and >0 if an error occurs.


     passwd(5), usermgmt.conf(5), group(8), nologin(8), pwd_mkdb(8), user(8), useradd(8)

     The userdel utility first appeared in NetBSD 1.5.	It is based on the addnerd package by the
     same author.

     The userdel utility was written by Alistair G. Crooks <agc@NetBSD.org>.

BSD					November 16, 2005				      BSD
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