Disk Operating System (DOS) Questions

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91.

Which switch should be used in the DIR command to view files in all directories?

A

/p

B

/w

C

/s

D

/l

Correct Answer: C

None.

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92.

Which type of command in DOS needs additional files for their execution?

A

Internal commands

B

External commands

C

Batch commands

D

Redirectors

Correct Answer: B

None.

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93.

Which was the last version of MSDOS that was released separately?

A

5

B

6

C

6.11

D

6.22

Correct Answer: D

None.

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94.

While working with MS-DOS which command is used to change the extension of all filenames ending with .txt to .doc?

A

Ren *.doc *.txt

B

Ren *.txt *.doc

C

Ren file.doc file.txt

D

Ren a: *.doc *.txt

Correct Answer: B

None.

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95.

While working with MS-DOS which command is used to combine file1 plus file2 into new file named file3?

A

Copy file3 file1+file2

B

Copy file1+file2 file3

C

Copy file1+file2+file3

D

Copy file2 file1+file3

Correct Answer: B

None.

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96.

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

A

Copy a: *.txt

B

Copy *.txt a:

C

Copy *.txt c:

D

Copy *.txt all.txt

Correct Answer: D

None.

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97.

While working with MS-DOS, which command is used to more file from one directory to another?

A

Rename

B

Copy

C

Move

D

Cp

Correct Answer: C

None.

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98.

While working with MS-DOS, which command is used to rename a file named file1.doc to file2.doc from a different directory called dir1?

A

Ren2.doc \dir\file1.doc

B

Ren file1.doc file2.doc

C

Ren .doc\dir\.doc

D

Ren \dir1\file1.doc file2.doc

Correct Answer: D

None.

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99.

While working with which command is used to copy all files from the currently logged drive and directory with the extension .txt to the drive a

A

Copy a. *.txt

B

Copy *.txt a:

C

Copy *.txt c:

D

Copy *.txt all.txt

Correct Answer: B

None.

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100.

Which command in DOS can be used to recover accidentally deleted files?

A

UNDELETE

B

DELETE/CANCEL

C

RESTORE

D

RECOVER

Correct Answer: A

None.

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