Basic MS-DOS memory management for beginners

From a Reddit post . A very brief rundown: If you are using Microsoft tools, you need to load the 386 memory manager, emm386.exe , in your CONFIG.SYS file. But, to do that, you need to load the XMS manager, HIMEM.SYS , first . So your CONFIG.SYS should begin with the lines: DEVICE=C:\WINDOWS\HIMEM.SYS DEVICE=C:\WINDOWS\EMM386.EXE DOS=HIGH,UMB 4. That's the easy bit. Now you have to find free Upper…