On 2013-06-10 23:06, Jordi Guillaumes i Pons wrote: El 10/06/2013, a les 18:25, Bill Pechter <pechter at gmail.com <mailto:pechter at gmail.com>> va escriure: Please... correct the history. What are the errors? I think I read somewhere than the inspiration for the CP/M commands was RT-11, not TOPS-10. But, anyway, the RT-11 commands _are_ inspired by TOPS-10, which. by the way, sound a little bit like OS/8... :) I haven't read the article (yet), however I'm pretty sure I've seen in the past that CP/M was indeed inspired by TOPS-10, and nothing else. God knows if I can dig up any sources of that, though... Johnny