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| 1 | .TH UPDATE 8
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| 2 | .SH NAME
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| 3 | update \- periodically write the buffer cache to disk
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| 4 | .SH SYNOPSIS
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| 5 | \fBupdate\fR
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| 6 | .br
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| 7 | .de FL
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| 8 | .TP
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| 9 | \\fB\\$1\\fR
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| 10 | \\$2
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| 11 | ..
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| 12 | .de EX
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| 13 | .TP 20
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| 14 | \\fB\\$1\\fR
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| 15 | # \\$2
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| 16 | ..
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| 17 | .SH EXAMPLES
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| 18 | .EX "update &" "Start a process that flushes the cache"
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| 19 | .SH DESCRIPTION
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| 20 | .PP
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| 21 | When the system is booted,
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| 22 | .I update
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| 23 | is started up in the background from
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| 24 | .I /etc/rc
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| 25 | to issue a
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| 26 | \&SYNC
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| 27 | system call every 30 sec.
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| 28 | .SH "SEE ALSO"
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| 29 | .BR boot (8).
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