57 lines
2.4 KiB
Plaintext
57 lines
2.4 KiB
Plaintext
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REM Windows MS-DOS Startup File
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REM
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REM CONFIG.SYS vs CONFIG.NT
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REM CONFIG.SYS is not used to initialize the MS-DOS environment.
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REM CONFIG.NT is used to initialize the MS-DOS environment unless a
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REM different startup file is specified in an application's PIF.
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REM
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REM ECHOCONFIG
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REM By default, no information is displayed when the MS-DOS environment
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REM is initialized. To display CONFIG.NT/AUTOEXEC.NT information, add
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REM the command echoconfig to CONFIG.NT or other startup file.
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REM
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REM NTCMDPROMPT
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REM When you return to the command prompt from a TSR or while running an
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REM MS-DOS-based application, Windows runs COMMAND.COM. This allows the
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REM TSR to remain active. To run CMD.EXE, the Windows command prompt,
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REM rather than COMMAND.COM, add the command ntcmdprompt to CONFIG.NT or
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REM other startup file.
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REM
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REM DOSONLY
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REM By default, you can start any type of application when running
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REM COMMAND.COM. If you start an application other than an MS-DOS-based
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REM application, any running TSR may be disrupted. To ensure that only
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REM MS-DOS-based applications can be started, add the command dosonly to
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REM CONFIG.NT or other startup file.
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REM
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REM EMM
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REM You can use EMM command line to configure EMM(Expanded Memory Manager).
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REM The syntax is:
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REM
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REM EMM = [A=AltRegSets] [B=BaseSegment] [RAM]
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REM
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REM AltRegSets
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REM specifies the total Alternative Mapping Register Sets you
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REM want the system to support. 1 <= AltRegSets <= 255. The
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REM default value is 8.
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REM BaseSegment
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REM specifies the starting segment address in the Dos conventional
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REM memory you want the system to allocate for EMM page frames.
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REM The value must be given in Hexdecimal.
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REM 0x1000 <= BaseSegment <= 0x4000. The value is rounded down to
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REM 16KB boundary. The default value is 0x4000
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REM RAM
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REM specifies that the system should only allocate 64Kb address
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REM space from the Upper Memory Block(UMB) area for EMM page frames
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REM and leave the rests(if available) to be used by DOS to support
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REM loadhigh and devicehigh commands. The system, by default, would
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REM allocate all possible and available UMB for page frames.
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REM
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REM The EMM size is determined by pif file(either the one associated
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REM with your application or _default.pif). If the size from PIF file
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REM is zero, EMM will be disabled and the EMM line will be ignored.
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REM
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dos=high, umb
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device=%SystemRoot%\system32\himem.sys
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files=20
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