/etc/login.defs

File di configurazione, sui Linux basati sulla distribuzione RedHat che contiene tutte le opzioni di default sugli utenti del sistema.

[neo@dido skel]$ cat /etc/login.defs
# *REQUIRED*
#   Directory where mailboxes reside, _or_ name of file, relative to the
#   home directory.  If you _do_ define both, MAIL_DIR takes precedence.
#   QMAIL_DIR is for Qmail
#
#QMAIL_DIR    Maildir
MAIL_DIR    /var/spool/mail
#MAIL_FILE    .mail
# Password aging controls:
#
#    PASS_MAX_DAYS    Maximum number of days a password may be used.
#    PASS_MIN_DAYS    Minimum number of days allowed between password changes.
#    PASS_MIN_LEN    Minimum acceptable password length.
#    PASS_WARN_AGE    Number of days warning given before a password expires.
#
PASS_MAX_DAYS 99999
PASS_MIN_DAYS    0
PASS_MIN_LEN    5
PASS_WARN_AGE    7
#
# Min/max values for automatic uid selection in useradd
#
UID_MIN             500
UID_MAX        60000
#
# Min/max values for automatic gid selection in groupadd
#
GID_MIN              500
GID_MAX          60000
# If defined, this command is run when removing a user.
# It should remove any at/cron/print jobs etc. owned by
# the user to be removed (passed as the first argument).
#
#USERDEL_CMD    /usr/sbin/userdel_local
#
# If useradd should create home directories for users by default
# On RH systems, we do. This option is ORed with the -m flag on
# useradd command line.
#
CREATE_HOME    yes

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