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- pam_umask — PAM module to set the file mode creation mask
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- DESCRIPTION
- pam_umask is a PAM module to set the file mode creation mask of the current
- environment. The umask affects the default permissions assigned to newly
- created files.
- The PAM module tries to get the umask value from the following places in the
- following order:
- • umask= entry in the user's GECOS field
- • umask= argument
- • UMASK entry from /etc/login.defs
- • UMASK= entry from /etc/default/login
- 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.
- OPTIONS
- debug
- Print debug information.
- silent
- Don't print informative messages.
- usergroups
- If the user is not root and the username is the same as primary group name,
- the umask group bits are set to be the same as owner bits (examples: 022 ->
- 002, 077 -> 007).
- nousergroups
- This is the direct opposite of the usergroups option described above, which
- can be useful in case pam_umask has been compiled with usergroups enabled
- by default and you want to disable it at runtime.
- umask=mask
- Sets the calling process's file mode creation mask (umask) to mask & 0777.
- The value is interpreted as Octal.
- EXAMPLES
- Add the following line to /etc/pam.d/login to set the user specific umask at
- login:
- session optional pam_umask.so umask=0022
- AUTHOR
- pam_umask was written by Thorsten Kukuk <kukuk@thkukuk.de>.
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