Which command is used to clear the screen
Cls
Clear
Clscreen
All of above
Answer : A
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1) What do you type at the DOS command prompt to return back to Windows
2) While working with MS-DOS, which command is used to copy all files from the currently logged drive and directory with the extension .TXT to the drive A?
3) Which of the following applies to external DOS commands?
External commands reside in RAM until called
External commands are stored on disk separately from COMMAND.COM
External commands must always be used with the /e switch
External commands can only be executed from a batch file.
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4) Which two of the following DOS commands are used to display or set the date and time of your computer's infernal clock?
5) Which DOS command will format a floppy disk and transfer the system files
