Scientific Operations



SYNC(II)                      8/5/73                     SYNC(II)



NAME
     sync - update super-block

SYNOPSIS
     (sync = 36.; not in assembler)
     sys  sync

DESCRIPTION
     Sync causes all information in core memory that should be on
     disk to  be  written  out.   This  includes  modified  super
     blocks, modified i-nodes, and delayed block I/O.

     It  should  be used by programs which examine a file system,
     for example icheck, df, etc.  It is mandatory before a boot.

SEE ALSO
     sync(VIII), update(VIII)

DIAGNOSTICS
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