file permissions

What is Umask and How To Setup Default umask Under Linux?

by Vivek Gite on January 31, 2007 · 59 comments

Anil ask a question (via email):

What is umask and how is it determined on a Linux system?

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Linux or UNIX password protect files

by nixcraft on May 15, 2006 · 2 comments

From my mailbag: Q. How do I password protect files? Linux and other Unixish oses offers strong file permissions and ACL (access control list) concept in Linux/UNIX computer security used to enforce privilege separation. However, none of them offers a password to protect files. You can use GNU gpg (GNU Privacy Guard) encryption and signing [...]

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