sync(2)                    DG/UX 4.30                     sync(2)



     NAME
          sync - Synchronize disk and memory resident file system
          information.

     SYNOPSIS
          void   sync  ( )

     PARAMETERS
          None.

     DESCRIPTION
          The sync system call causes file system information in
          memory to be written to the disk.

          Activity may continue on the file system device while the
          sync is being performed, but there are no guarantees about
          whether changes to files or file system data that occur
          after sync starts get to disk.  Upon return from sync, there
          is no guarantee that all writes to the disk have completed.

     ACCESS CONTROL
          None.

     RETURN VALUE
          None.

     EXCEPTIONS
          None.

     SEE ALSO
          sync(1M),
          fsync(2).























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