The "user number in prompt" and "execute from user 0" thing are BDOS extensions from a given manufacturer and not part of standard CP/M 2.2, if I recall correctly.
It may have become standard in CP/M 3.0, but that's not really germane here. On Tue, Oct 6, 2020, 17:26 Bert Put <[email protected]> wrote: > Hello, > > I was wondering which version of CP/M that this was based on? > I'm specifically looking for support for "user numbers" since CP/M does > not support directories. My Kaypro runs CP/M 2.2G and 2.2H. In those > versions, the user number is part of the prompt, such as A0> or A1>. > Also, if you navigate to user area 1 with "USER 1", you can call any > executable in user area 0 in case it does not exist in user area 1. > There are 16 such user areas available, 0 to 15. >
