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operating systems Online Quiz - 12

Description: operating systems Online Quiz - 12
Number of Questions: 20
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Tags: operating systems
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Which command is used to see the disk volume label?

technology operating systems

  1. Ver

  2. Vol

  3. Version

  4. Volume

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Correct Option: B

Which command is used to see the version?

technology operating systems

  1. Ver

  2. Version

  3. Verson

  4. None of the above

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Correct Option: A

What is the name of the batch file that is automatically run when MSDOS is booted?
technology operating systems

  1. Run.bat

  2. Config.sys

  3. Config.bat

  4. Autoexec.bat

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Correct Option: D

What is the switch that is used to make sure that the copy command copied files correctly
technology operating systems

  1. /a

  2. /c

  3. /s

  4. /v

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Correct Option: D

What will be the output of the command prompt $l$p$g?

technology operating systems

  2. C:>

  3. C:>>

  4. C:

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Correct Option: A

Which among the following are the best tools for fixing errors on disks?

technology operating systems

  1. Fdisk

  2. Scandisk

  3. Chkdsk

  4. Fixdsk

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Correct Option: B

Which command can be used to create the disk’s tracks and sectors?
technology operating systems

  1. Fdisk

  2. Format

  3. Chkdsk

  4. Attrib

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Correct Option: B

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

  1. UNDELETE

  2. DELETE/CANCEL

  3. RESTORE

  4. RECOVER

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Correct Option: A

Which command is used to copy all files from drive a with extension .txt to the currently logged drive and directory?
technology operating systems

  1. Copy a. *.txt

  2. Copy *.txt a:

  3. Copy *.txt c:

  4. Copy *.txt all.txt

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Correct Option: A

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

  1. Chkdsk

  2. Command.com

  3. Fat

  4. Format

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Correct Option: D

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

  1. Del .txt

  2. Erase .txt

  3. Del *.txt

  4. Del ./p

Show answer
Correct Option: C
Explanation:

To solve this question, the user needs to know the correct command to delete all files with a certain file extension.

Now, let's go through each option and explain why it is right or wrong:

A. Del .txt: This command will not work as it deletes only files with the exact name ".txt", not all files with the ".txt" extension.

B. Erase .txt: This command will not work as it deletes only files with the exact name ".txt", not all files with the ".txt" extension.

C. Del *.txt: This command is correct. It will delete all files with the ".txt" extension.

D. Del ./p: This command is incorrect. The "/p" option is not a valid option for the "del" command, and the command does not specify which file extension to delete.

Therefore, the correct answer is:

The Answer is: C

Which command is used to delete all the files in the root directory of drive a
technology operating systems

  1. A:\del

  2. Del . a:

  3. Del a:\

  4. Erase .

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Correct Option: C

Which command is used to display a list of deleted files that DOS can undelete?
technology operating systems

  1. Undelete .

  2. Undelete/all

  3. Undelete/list

  4. None of the above

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Correct Option: C

Which command is used to undelete delete a bunch of files with extension doc that you have just deleted

technology operating systems

  1. Undelete

  2. Undelete *.doc

  3. Undelete/all

  4. All of the above

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Correct Option: B

Which file in MSDOS contain internal command that are loaded during booting process?
technology operating systems

  1. Io.sys

  2. Msdos.sys

  3. Command.com

  4. Config.sys

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Correct Option: C

Which is valid extension that user creates on operating system?
technology operating systems

  1. Exe

  2. Com

  3. Sys

  4. Bat

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Correct Option: D

How do you close a if block in unix shellscript?

technology operating systems

  1. end if

  2. }

  3. fi

  4. #

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Correct Option: C

Linux is a kernel?
technology operating systems

  1. True

  2. False

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Correct Option: A

which of the following command shows ALL the content of a directory in unix/GNUlinux

technology operating systems

  1. ls -l

  2. ls

  3. ls -a

  4. dir

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Correct Option: C

how do we make a file hidden in unix?

technology operating systems

  1. prefix the name of file with a '.'

  2. prefix the name of file with a '~'

  3. by changing its permissions

  4. Any of the Above

Show answer
Correct Option: A
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