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Part: V Appendixes > DOS= 5.0 and later—Internal

DOS= 5.0 and later—Internal

The DOS= command offers two options that enable you to adjust the way DOS loads and uses upper memory. If you specify DOS=HIGH, DOS attempts to load itself into the high memory area (HMA). The DOS=UMB command enables DOS to load resident programs into upper memory blocks (UMBs) with the DEVICEHIGH= and LOADHIGH commands. DOS= can be used only in your CONFIG.SYS file.


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