Disk Operating System (DOS) Question:
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Which command in DOS can be used to recover accidentally deleted files?

a. UNDELETE
b. DELETE/CANCEL
c. RESTORE
d. RECOVER

Answer:

a. UNDELETE

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Which is the valid filename assign in MS-DOS?

a. Ram*.txt
b. Ram?.doc
c. Ram_$.txt
d. None of above
Which command is used to delete all the files extension .txt on the current drive and directory?

a. Del .txt
b. Erase .txt
c. Del *.txt
d. Del *.*/p