30 lines
772 B
Groff
30 lines
772 B
Groff
.TH DISKCHECK 1
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.SH NAME
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diskcheck \- check a disk for bad sectors
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.SH SYNOPSIS
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\fBdiskcheck \fIdevice \fIstart \fIcount\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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.EX "diskcheck /dev/at0 0 1200" "Check 1.2 MB diskette"
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.EX "diskcheck /dev/at0 100 50" "Check blocks 100 to 149"
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.SH DESCRIPTION
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.PP
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\fIDiskcheck\fR checks a disk for bad sectors by reading in each sector,
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writing a known bit pattern onto it, reading it back in and comparing with
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what was written. This check is then done a second time. Bad sectors are
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reported. After each sector is tested, the original sector is restored.
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Only use this program on unmounted partitions.
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Killing it part way through may result in lost data.
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.SH "SEE ALSO"
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.BR format (1).
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