.TH PRINTROOT 8.SH NAMEprintroot \- print the name of the root device on standard output.SH SYNOPSIS\fBprintroot\fR.br.de FL.TP\\fB\\$1\\fR\\$2...de EX.TP 20\\fB\\$1\\fR# \\$2...SH OPTIONS.FL "\-r" "Print only the root device, not a full mtab line".SH EXAMPLES.EX "printroot" "Print the name of the root device".SH DESCRIPTION.PP.I Printroot is useful for initializing the \fI/etc/mtab\fR when the system is booted.It figures out what the root device is by searching \fI/dev\fR until itfinds a block special file with the right major/minor device numbers..SH "SEE ALSO".BR fstab (5),.BR boot (8).