Disc Operating System (DOS)
While working with MS-DOS, which command is used to combine FILE1 plus FILE2 into new file named FILE3?

COPY FILE3 FILE1+FILE2
COPY FILE1+FILE2 FILE3
COPY FILE1+FILE2+FILE3
COPY FILE2 FILE1+FILE3

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Disc Operating System (DOS)
Which statement is valid about "TIME" command?

Time format can be changed by changing in country setting in config.sys file
Time command is used to display and allow changes to the system time
All of above
MS DOS displays the time in 12-hour or 24-hour format

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