Q. Year in which the first operating system was developed is

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Q. While working with MS-DOS which key is used to get the previous command used?

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Q. Command which is used to copy a file named temp.doc from drive C: to drive A: is

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Q. Command which is used to clear the screen and display the operating system prompt on the first line of display is

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Q. SYS command is used to

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Q. To copy the hidden system files of DOS to another disk you can use the command

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Q. DEL command is used to

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Q. Command which is used to get the current date only is

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Q. Generally, the date is entered in the form

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Q. Command which is used to backup in DOS 6+ version is

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Q. Copy and Xcopy are same in the sense

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Q. Command which is used to clear the screen is

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Q. Disk copy command in DOS used to

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Q. External commands in DOS are

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Q. Keys which can be pressed quit without saving in DOS is

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Q. Command which is used to ask you to confirm that you want to delete the directory is

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Q. Command which is used to copy files is

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Q. The delete file in MS-DOS can be recovered if you use the command mention below immediately, the command is

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Q. DIR command is used to

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Q. CHKDSK can be used to find

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