Bootstrap programs

boot0		- standalone program to read block 0 from 10MB disc
mdl		- Interdata multimedia diagnostics loader
mkboot		- copies bootstrap program (e.g. uboot) to a disc and fakes an
		  OS/MT volume descriptor so it can be loaded by the LSU
uboot-40	- uboot for 40MB disc
uboot		- bootstrap program to load UNIX image from UNIX filesystem
tpboot		- bootstrap program to load UNIX image from 'tp' tape
