umask(2P)        INTERACTIVE UNIX System (POSIX)        umask(2P)



          NAME
               umask - set and get file creation mask

          SYNOPSIS
               #include <sys/types.h>
               #include <sys/stat.h>

               mode_t umask (cmask)
               mode_t cmask;

          DESCRIPTION
               The umask system call sets the process's file mode creation
               mask to cmask and returns the previous value of the mask.
               Only the low-order 9 bits of cmask and the file mode crea-
               tion mask are used.

          SEE ALSO
               chmod(2P), creat(2), mknod(2), open(2P).
               mkdir(1), sh(1) in the INTERACTIVE UNIX System User's/System
               Administrator's Reference Manual.

          DIAGNOSTICS
               The previous value of the file mode creation mask is
               returned.































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