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 pound sign (#) in the first line.
The valid configuration options are:
Removes the home directory and mail spool of the user to be removed. Value may be 0 or 1.
Removes all files on the system owned by the user to be removed. If this option is activated REMOVE_HOME as no effect. Values may be 0 or 1.