![]() Shell e:\rescue\dos98\ e:\rescue\dos98 /Pĭevice=e:\rescue\dos98\qemm386.sys RAM BE:Nĭevicehigh=e:\rescue\dos98\emm386.exe rammaxĭevicehigh=e:\rescue\dos98\emm386.exe noemsĭevicehigh=e:\rescue\dos98\ramdrive.sys 32767 /e PATH e:\rescue e:\rescue\dos98 e:\rescue\vcnew e:\rescue\pack e:\rescue\viewsĬonfig.sys devicehigh=e:\rescue\dos98\interlnk.exe So you add menu entry in config.sys with drivers needed (windows has its own drivers but IIRC it needed himem.sys before running win.exe) So up to w9x it can be also used to select OS as the Windows was just an executable on top of MS-DOS. The config.sys is for loading drivers and autoexec.bat is used to set prompt, variables, TSRs and run desired apps. These two files are use by MS-DOS startup. ![]() Yes MS-DOS menu is in autoexec.bat and config.sys. DR DOS 5 and later implemented its own menu system, in a more manual fashion. the CD-ROM driver, sound card setup with a PCI card, network drivers.)įor older versions of MS-DOS, there were separate boot configuration tools available, including some which allowed for early-boot selection of CONFIG.SYS directives. ![]() (you’d need more for a multi-tasking environment this could be what your friend’s “Windows” configuration changed) the amount of resources assigned to FILES, BUFFERS etc.the memory manager: HIMEM.SYS only (for games which wouldn’t work with a V86 memory manager), EMM386.EXE with or without EMS (without EMS, you’d get 64K more UMBs).This kind of menu would typically be used to control the configuration of The AUTOEXEC.BAT can use the %CONFIG% variable to adjust its behaviour depending on the chosen entry: OFF ![]() The block is taken into account in all cases, as long as it comes first it can be repeated if necessary. With appropriate settings in the and blocks. Assuming this was a PC running MS-DOS 6 or later, this would typically be implemented using a CONFIG.SYS menu:
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