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- REM Windows MS-DOS Startup File
- REM
- REM CONFIG.SYS vs CONFIG.NT
- REM CONFIG.SYS is not used to initialize the MS-DOS environment.
- REM CONFIG.NT is used to initialize the MS-DOS environment unless a
- REM different startup file is specified in an application's PIF.
- REM
- REM ECHOCONFIG
- REM By default, no information is displayed when the MS-DOS environment
- REM is initialized. To display CONFIG.NT/AUTOEXEC.NT information, add
- REM the command echoconfig to CONFIG.NT or other startup file.
- REM
- REM NTCMDPROMPT
- REM When you return to the command prompt from a TSR or while running an
- REM MS-DOS-based application, Windows runs COMMAND.COM. This allows the
- REM TSR to remain active. To run CMD.EXE, the Windows command prompt,
- REM rather than COMMAND.COM, add the command ntcmdprompt to CONFIG.NT or
- REM other startup file.
- REM
- REM DOSONLY
- REM By default, you can start any type of application when running
- REM COMMAND.COM. If you start an application other than an MS-DOS-based
- REM application, any running TSR may be disrupted. To ensure that only
- REM MS-DOS-based applications can be started, add the command dosonly to
- REM CONFIG.NT or other startup file.
- REM
- REM EMM
- REM You can use EMM command line to configure EMM(Expanded Memory Manager).
- REM The syntax is:
- REM
- REM EMM = [A=AltRegSets] [B=BaseSegment] [RAM]
- REM
- REM AltRegSets
- REM specifies the total Alternative Mapping Register Sets you
- REM want the system to support. 1 <= AltRegSets <= 255. The
- REM default value is 8.
- REM BaseSegment
- REM specifies the starting segment address in the Dos conventional
- REM memory you want the system to allocate for EMM page frames.
- REM The value must be given in Hexdecimal.
- REM 0x1000 <= BaseSegment <= 0x4000. The value is rounded down to
- REM 16KB boundary. The default value is 0x4000
- REM RAM
- REM specifies that the system should only allocate 64Kb address
- REM space from the Upper Memory Block(UMB) area for EMM page frames
- REM and leave the rests(if available) to be used by DOS to support
- REM loadhigh and devicehigh commands. The system, by default, would
- REM allocate all possible and available UMB for page frames.
- REM
- REM The EMM size is determined by pif file(either the one associated
- REM with your application or _default.pif). If the size from PIF file
- REM is zero, EMM will be disabled and the EMM line will be ignored.
- REM
- dos=high, umb
- device=%SystemRoot%\system32\himem.sys
- files=40
-