DR-DOS | |
IBM PC-DOS | |
MS Windows | |
MS-DOS | |
_________________________________________________________________ | |
"The universe is probably littered with the one-planet graves of | |
cultures which made the sensible economic decision that there's | |
no good reason to go into space--each discovered, studied, and | |
remembered by the ones who made the irrational decision." | |
-- Randall Munroe |