ask has been compiled with usergroups enabled by default and you want to disable it at runtime.
Sets the calling process's file mode creation mask (umask)
to mask & 0777. The value is interpreted
as Octal.
The new umask was set successfully.
Memory buffer error.
The conversation method supplied by the application failed to obtain the username.
The conversation method supplied by the application returned PAM_CONV_AGAIN.
No username was given.
User not known.
Add the following line to /etc/pam.d/login to
set the user specific umask at login:
session optional pam_umask.so umask=0022