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sync(8)
NAME
  sync - Updates the inode table and writes buffered files to the disk

SYNOPSIS
  sync

DESCRIPTION
  The sync command runs the sync system primitive.  sync writes all unwritten
  system buffers to disk.  This includes modified inodes and delayed block
  I/O.

  Commands that bring the system down, such as the shutdown command, issue
  their own sync calls.	 Use the sync command if the system must be stopped
  under unusual circumstances, to ensure file system integrity.

  Note that the writing of unwritten buffers, although scheduled, is not
  necessarily complete upon return from sync.  In some circumstances it may
  be appropriate to issue consecutive sync commands.

FILES
  /usr/sbin/sync
	    Specifies the command path

RELATED INFORMATION
  Functions: sync(2)