Joe Wilson wrote:
I can never remember the umask number's effect without
experimentation
DESCRIPTION
umask sets the umask to mask & 0777.
The umask is used by open(2) to set initial file permissions on a
newly-created file. Specifically, permissions in the umask are turned
off from the mode argument to open(2) (so, for example, the common umask
default value of 022 results in new files being created with permissions
0666 & ~022 = 0644 = rw-r--r-- in the usual case where the mode is
specified as 0666).
Martin
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