Questions tagged [microsoft]

For questions regarding Microsoft products (hardware or software). If more specific tags exist, please use those instead; in particular, MS-DOS and Windows have their own tags.

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23
votes
4answers
3k views

What's the relationship betweeen MS-DOS and XENIX?

Browsing MS-DOS sources on GitHub, I often see mentions of XENIX: DOSSYM.ASM: ; XENIX calls all return error codes through AX. If an error occurred then the ; carry bit will be set and the ...
12
votes
2answers
2k views

A way to connect Microsoft Green-Eyed mouse to modern computer?

Is there a way to connect the 1983 Microsoft "Green-eyed" mouse to a modern PC or preferably Mac (running Windows on virtual machine)?
4
votes
1answer
133 views

Microsoft Mail for AppleTalk

I want to tinker a bit with Microsoft Mail for AppleTalk, Version 3.1. I installed the System Extensions, they get loaded and the server itself shows up in the chooser with it's serial number. To ...
38
votes
2answers
6k views

Did IBM encourage Bill Gates to retain the rights over PC-DOS?

As is well-known, Microsoft's negotiations with IBM to deliver PC-DOS 1.0 with the original IBM PC resulted in: IBM licensing the OS from Microsoft, as opposed to purchasing it outright. Microsoft ...
18
votes
1answer
1k views

When was QDOS changed to MSDOS?

So a while back, I heard that MSDOS was originally named QDOS (Quick and Dirty Operating System), and that it was later changed is MSDOS (Microsoft Disk Operating System). This was probably a ...
4
votes
1answer
474 views

Where can I find macrofun.hlp?

In the days before Visual Basic for Applications, the macro language for Microsoft Excel was called XLL. The syntax was similar to that of ordinary Excel formulas, except for two things: Macros were ...