June 2006
Intermediate to advanced
64 pages
2h 42m
English
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Name
umask
Synopsis
umask [nnn] umask [-pS] [mask]
Display file creation mask or set file creation mask to octal
value nnn. The file creation mask determines
which permission bits are turned off (e.g., umask 002 produces rw-rw-r- -). For the second form, a
symbolic mask represents permissions to keep.
Options
-pOutput is in a form that can be reread later by the shell.
-SPrint the current mask using symbolic notation.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.