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42 .Nd flush internal filesystem caches to disk periodically
48 kernel process helps protect the integrity of disk volumes
50 volatile cached filesystem data
51 to disk. This is done at thirty second intervals by default.
52 The time period may be changed by using
59 process does the equivalent of the
61 function call to do the task.
70 It is possible on some systems that a
72 occurring simultaneously with a crash may cause
73 file system damage. See
80 and was usually started by
82 when the system went multi-user.
85 process first appeared in