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| 1 | .TH PRINTROOT 8
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| 2 | .SH NAME
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| 3 | printroot \- print the name of the root device on standard output
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| 4 | .SH SYNOPSIS
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| 5 | \fBprintroot\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 OPTIONS
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| 18 | .FL "\-r" "Print only the root device, not a full mtab line"
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| 19 | .SH EXAMPLES
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| 20 | .EX "printroot" "Print the name of the root device"
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| 21 | .SH DESCRIPTION
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| 22 | .PP
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| 23 | .I Printroot
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| 24 | is useful for initializing the \fI/etc/mtab\fR when the system is booted.
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| 25 | It figures out what the root device is by searching \fI/dev\fR until it
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| 26 | finds a block special file with the right major/minor device numbers.
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| 27 | .SH "SEE ALSO"
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| 28 | .BR fstab (5),
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| 29 | .BR boot (8).
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