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                    List of DOS commands - Wikipedia, the free encyclopedia
                    1 Command processing 2 ACALC 3 APPEND 4 ASSIGN 5 ATTRIB 6 BACKUP 7 BASIC, BASICA and GWBASIC 8 BREAK 9 CALL 10 CHCP 11 CHDIR or CD 12 CHKDSK 13 CHOICE 14 CIPHER 15 CLS 16 COMMAND 17 COMP 18 COPY 19 CTTY 20 DATE 21 DEBUG 
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