.CD "printroot \(en print the name of the root device on standard output"
.SX "printroot"
.FL "\(enr" "Print only the root device, not a full mtab line"
.EY "printroot" "Print the name of the root device"
.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 it
finds a block special file with the right major/minor device numbers.



.SP 1