PRINTROOT(8)PRINTROOT(8)NAMEprintroot - print the name of the root device on standard output
SYNOPSISprintrootOPTIONS-r # Print only the root device, not a full mtab line
EXAMPLESprintroot # Print the name of the root device
DESCRIPTION
Printroot is useful for initializing the /etc/mtab when the system is
booted. It figures out what the root device is by searching /dev until
it finds a block special file with the right major/minor device num‐
bers.
SEE ALSOfstab(5), boot(8).
PRINTROOT(8)