/etc/deluser.conf - configuration file for deluser(8) and delgroup(8).
The file /etc/deluser.conf contains defaults for the programs
deluser(8) and delgroup(8). Each option takes the form option = value.
Double or single quotes are allowed around the value. Comment lines
must have a hash sign (#) at the beginning of the line.
deluser(8) and delgroup(8) also read /etc/adduser.conf, see
adduser.conf(8); settings in deluser.conf may overwrite settings made
The valid configuration options are:
Removes the home directory and mail spool of the user to be
removed. Value may be 0 (don't delete) or 1 (do delete).
Removes all files on the system owned by the user to be removed.
If this option is activated REMOVE_HOME has no effect. Values
may be 0 or 1.
BACKUP If REMOVE_HOME or REMOVE_ALL_FILES is activated all files are
backuped before they are removed. The backup file that is cre‐
ated defaults to username.tar(.gz|.bz2) in the directory speci‐
fied by the BACKUP_TO option. The compression method is chosen
to the best that is available. Values may be 0 or 1.
If BACKUP is activated, BACKUP_TO specifies the directory the
backup is written to. Default is the current directory.
A list of regular expressions, space separated. All files to be
deleted in course of deleting home directories or deleting files
owned by the user to be deleted are checked against each of
these regular expressions. If a match is detected, the file is
not deleted. Defaults to a list of system directories, leaving
In other words: By default only files below /home belonging to
that specific user are going to be deleted.
Only delete a group if there are no user who belong to this
group. Defaults to 0.
A regular expression which describes all file systems which
should be excluded when looking for files of a user to be
deleted. Defaults to "(proc|sysfs|usbfs|devpts|tmpfs|afs)".
SEE ALSOdeluser(8), delgroup(8), adduser.conf(5)Debian GNU/Linux Version 3.113+nmu3ubuntu3 deluser.conf(5)