36 lines
		
	
	
		
			553 B
		
	
	
	
		
			Groff
		
	
	
	
	
	
			
		
		
	
	
			36 lines
		
	
	
		
			553 B
		
	
	
	
		
			Groff
		
	
	
	
	
	
| .TH SYNC 8
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| .SH NAME
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| sync \- flush the cache to disk
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| .SH SYNOPSIS
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| \fBsync\fR
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| .br
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| .de FL
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| .TP
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| \\fB\\$1\\fR
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| \\$2
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| ..
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| .de EX
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| .TP 20
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| \\fB\\$1\\fR
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| # \\$2
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| ..
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| .SH EXAMPLES
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| .TP 20
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| .B sync
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| # Write out all modified cache blocks
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| .SH DESCRIPTION
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| .PP
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| \s-1MINIX 3\s-1
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| maintains a cache of recently used disk blocks.
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| The 
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| .I sync
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| command writes any modified cache blocks back to the disk.
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| This is essential before stopping the system, and should be done before
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| running any
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| .I a.out
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| program that might crash.
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| .SH "SEE ALSO"
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| .BR sync (2),
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| .BR update (8),
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| .BR shutdown (8).
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