My father is currently using an old Windows 95 machine circa 1999 to run a DOS program which he uses to bill the government. Buying a new program is not really an option because all the modern ...

While most businesses use Windows-based applications, some entrepreneurs still use legacy DOS-based programs that they find useful. Whether it's because the application is no longer being developed or ...

Kenneth M. Frith is moving away from Windows XP (as he should). But he still has some old DOS programs he’s either unwilling or unable to give up. Can they run in Windows 8? The big question is: Does ...

The question is how can I glue together 16 bit C code, 32 bit C code, and assembly int eh middle that does the mode switch? I have written and tested the ASM that does the mode switch, and I have used ...

Robert Wray wants to know if his old DOS programs will run in Windows 7. Here’s the general rule: If the DOS program ran in XP, it will probably run in a 32-bit version of Windows 7. But no DOS ...

In Windows, users can run DOS programs along side Windows programs. Pressing Alt-Tab switches between all open DOS and Windows applications. DOS programs are usually run in a window so they can be ...

Before Microsoft had Office, before it had Windows, it had an operating system called MS DOS. MS DOS was a command-line operating system, meaning you had to memorize a lot of commands and type them ...