34 lines
632 B
Groff
34 lines
632 B
Groff
.TH PRINTROOT 8
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.SH NAME
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printroot \- print the name of the root device on standard output
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.SH SYNOPSIS
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\fBprintroot\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 OPTIONS
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.TP 5
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.B \-r
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# Print only the root device, not a full mtab line
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.SH EXAMPLES
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.TP 20
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.B printroot
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# Print the name of the root device
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.SH DESCRIPTION
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.PP
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.I Printroot
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is useful for initializing the \fI/etc/mtab\fR when the system is booted.
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It figures out what the root device is by searching \fI/dev\fR until it
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finds a block special file with the right major/minor device numbers.
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.SH "SEE ALSO"
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.BR fstab (5),
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.BR boot (8).
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