One of two hidden system files that made up Microsoft's MS-DOS. The other was IO.SYS. These two system files were loaded into memory when the computer was booted. They processed the instructions in ...

Reader Steve P. sends in this question: “I’m running Windows 2000 and want to upgrade my system BIOS. The instructions say to create a bootable disk with the format a:/s command. However, the /s doesn ...

You will find the complete list of MS-DOS commands below. However, MS-DOS commands are not the same as Windows command line commands or Powershell commands. MS-DOS (Microsoft Disk Operating System) is ...

Hey, I've got a 486/66 with Windows 95 (nice and slow, too ) on one physical hard drive, C. On a second physical hard drive, D, I've got MS-DOS 6.22 Now...the Win95 "boot into DOS mode" isn't working ...