DISC OPERATING SYSTEM (DOS) QUIZ

While working with MS-DOS which command is used to copy all files with extension .txt into one file named all.txt?

Copy *.txt all.txt

Copy *.txt a:

Copy *.txt c:

Copy a: *.txt

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Which command is used to delete all the files extension .txt on the current drive and directory?

Del .txt

Del *.txt

Del *.*/p

Erase .txt

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Which DOS command is used to detect, diagnose and repair logical and physical disk errors on both, uncompressed and Double space compressed drive?

DBLSPACE

DEFRAG

MSAV

SCANDISK

None of these

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Which command is used to backup in DOS 6+ Version

MSBACKEDUP

All of the listed here

BACKUP

MSBACKUP

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Which command should be used to display all files within the specified subordinate directory of the subdirectory?

Dir \ pathname\pathname

Dir \pathname\filename

Dir \ pathname

Dir / ch

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Which DOS command is used to remove and scan memory and disk from viruses?

MSAV

SCANDISK

DEFRAG

VSAFE

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RESTORE command is used to

Restore files which are deleted

Restore files which are deleted recently

Restore files from recycle bin

Restore files from disks made using the BACKUP command

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Which command of DOS is used to sort the file in reverse order?

SORT/R < filename

SORT/V < filename

SORT > filename

SORT < filename

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Which command is used to get the current date only?

Date

All of the listed here

Time

Second

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Which command is used to create root directory and FAT on disk?

Command.com

Chkdsk

Fat

Format

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