*  @(#) mfsys 1.1 88/12/16 
DOS	dos	   0x0		0x4	0101111111111110111111110111
HS	hs	   0x0		0x4	0101111111111110111110110111
XNET	nfc_	   0x0		0x4	0000000100100000001000000000
S51K	s5	   0x0		0x4	1101111111111111111111110111
S52K	s52k	   0x0		0x4	1101111111111111111111110111
XENIX	xx	   0x0		0x4	1101111111111111111111110111
