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update(8)							    update(8)



NAME

  update - Periodically	updates	the file system

SYNOPSIS

  /sbin/update

DESCRIPTION

  The update command flushes data from memory to disk every 30 seconds.	 This
  ensures that the file	system is up to	date in	the event of a system crash.
  This command is provided as a	statically-linked executable in	the /sbin
  directory.

  The setting of the smoothsync_age attribute of the vm	kernel subsystem
  overrides the	default	timing of the update command. See sys_attrs_vm(5) for
  more information about this attribute. Refer to the System Configuration
  and Tuning and System	Administration manuals for general information about
  configuring and tuning the system.

FILES

  /sbin/update
      Specifies	the command path.

SEE ALSO

  Commands: init(8), sync(8)

  Functions: sync(2), sync2(2)

  Others: sys_attrs_advfs(5), sys_attrs_ufs(5),	sys_attrs_vfs(5),
  sys_attrs_vm(5)

  System Administration

  System Configuration and Tuning