Tag: operating systems

Questions Related to operating systems

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

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Correct Option: A

which of the following is not a editor used in GNU/Linux ?
technology operating systems

  1. vi

  2. notepad

  3. nano

  4. emacs

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Correct Option: B

chmod is user to change the owner of the file?
technology operating systems

  1. True

  2. False

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Correct Option: B