text xxu Digital Research Inc California 1991 monographic eng

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xxxii,666p. : 24cm Content: Getting started with DR DOS -- Basic command concepts -- Managing your information -- Protecting your information -- Recovering your information -- Switching tasks -- The editor -- Redirecting input and output -- Grouping commands in batch files -- DR DOS commands -- Customizing your system -- Using memory max -- Optimizing your disk -- Setting up code page switching. QA76.76 O63 D751 170120