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QDOS had a CP/M API just like MacOS has a Unix API without using any code from the original. A program would convert 8 bit CP/M 80 code to QDOS 16 bit code. So
by orionblastar 4y ago
QDOS had a CP/M API just like MacOS has a Unix API without using any code from the original. A program would convert 8 bit CP/M 80 code to QDOS 16 bit code. So it was easy to find software.
Microsoft did this with OS/2 and IBM, making their own OS/2 and naming it Windows NT. Windows NT saved Microsoft after Windows ME ruined it. Windows 2000 and XP were based on Windows NT not Windows 9X.
Microsoft is currently looking at Linux with WSL and porting their own Dotnet and VS Code to Linux.