Section: Linux-PAM Manual (8)
:pam_umask.so [debug] [silent] [usergroups] [umask=mask]
The PAM module tries to get the umask value from the following places in the following order:
The GECOS field is split on comma ',' characters. The module also in addition to the umask= entry recognizes pri= entry, which sets the nice priority value for the session, and ulimit= entry, which sets the maximum size of files the processes in the session can create.
Add the following line to /etc/pam.d/login to set the user specific umask at login:
session optional pam_umask.so umask=0022
pam_umask was written by Thorsten Kukuk <email@example.com>.
Tutoriais de Tecnologia Web