Lines of root.init from check-in 5062c9b6fc that are changed by the sequence of edits moving toward check-in 8f80b79392:

                         1: # vim:ft=make:
                         2: 
5062c9b6fc 2019-10-19    3: root: fsck
                         4: 	: Mount root R/W.
                         5: 	mount -uo rw /
5062c9b6fc 2019-10-19    6: 	umount -A