File common-session.pamd of Package pam

#
# /etc/pam.d/common-session - session-related modules common to all services
#
# This file is included from other service-specific PAM config files,
# and should contain a list of modules that define tasks to be performed
# at the start and end of sessions of *any* kind (both interactive and
# non-interactive).  The default is pam_unix2.
#
session	required	pam_limits.so
session	required	pam_unix2.so
session optional	pam_umask.so