umask(2)                                                    umask(2)


       NAME
             umask - set and get file creation mask

       SYNOPSIS
             #include <sys/types.h>
             #include <sys/stat.h>
             mode_t umask(mode_t cmask);

       DESCRIPTION
             umask sets the process's file mode creation mask to cmask and
             returns the previous value of the mask.  Only the access
             permission bits of cmask and the file mode creation mask are
             used.

          Files
             Message catalog:  uxcore.abi

          Return Values
             umask returns the previous value of the file mode creation
             mask.

       REFERENCES
             chmod(2), creat(2), mkdir(1), mknod(2), open(2), sh(1),
             stat(5)

       NOTICES
          Considerations for Threads Programming
             The file creation mask is an attribute of the containing
             process and is shared by sibling threads.



















                           Copyright 1994 Novell, Inc.               Page 1