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9 votes
1 answer
854 views

What was the purpose of the ‘overlay number’ field in the MZ executable format?

11 votes
3 answers
5k views

Does the kernel of Windows 95/98/ME have a name?

9 votes
1 answer
401 views

How can I properly execute and clean up after a DOS MZ executable loaded into memory with int21 function 4b01h?

18 votes
2 answers
2k views

Most modern C compilers targeting DOS 8086, running on DOS 8086 (16-bit)

13 votes
8 answers
6k views

Why was the DOS kernel discarded?

7 votes
1 answer
338 views

Origin of PALMPC.ZIP "Palm PC emulator"

13 votes
1 answer
497 views

What are these compression types in the ARC file format?

22 votes
1 answer
2k views

When was QDOS changed to MS-DOS?

14 votes
4 answers
5k views

Why have MS-DOS device drivers if the ROM BIOS provides access to the same devices already?

21 votes
3 answers
5k views

Why are these DOS console drivers wasting precious bytes?

18 votes
3 answers
3k views

How to keep running DOS 16 bit applications when Windows 11 drops NTVDM

10 votes
3 answers
1k views

How to write text in MODE 0x13?

75 votes
4 answers
25k views

Why is Windows using CR+LF and Unix just LF when Unix is the older system?

12 votes
2 answers
1k views

What physical size and density floppies are the intermediate-capacity options for the /F switch of the DOS/Windows/OS/2 FORMAT command meant for?

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