UMASK(2)	    UNIX Programmer's Manual		 UMASK(2)


NAME
     umask - set file creation mode mask

SYNOPSIS
     oumask = umask(numask)
     int oumask, numask;

DESCRIPTION
     Umask sets the process's file mode creation mask to numask
     and returns the previous value of the mask.  The low-order 9
     bits of numask are used whenever a file is created, clearing
     corresponding bits in the file mode (see chmod(2)).  This
     clearing allows each user to restrict the default access to
     his files.

     The value is initially 022 (write access for owner only).
     The mask is inherited by child processes.

RETURN VALUE
     The previous value of the file mode mask is returned by the
     call.

SEE ALSO
     chmod(2), mknod(2), open(2)


Printed 11/26/99	   May 9, 1985				1


 
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