On Wed, Nov 08, 2017 at 05:06:36PM +0100, kalle wrote: > Am 08.11.2017 um 14:55 schrieb DJ Mills: > > From umask(1p): > > For a symbolic_mode value, the new value of the file mode creation mask > > shall be the logical complement of the file permission bits portion of > > the file mode specified by the symbolic_mode string. > > This sentence is inacceptably complicate. Furthermore, it is not clear > which symbolic mode string is meant at the end of the sentence, but I > suppose it has been written by you to undermine the given facts.
The (1p) means that this is directly from POSIX. It is a POSIX man page. If you're on a Debian system, you can read it by doing this: apt-get install manpages-posix man 1p umask Ask your OS support how to do the equivalent on other OSes, or try searching for them via Google. I'm sure they can be found online somewhere.