Tag: operating systems

Questions Related to operating systems

If you want to set the permission for a directory, such that except owner no one else should have access, even to view the directory contents
technology operating systems

  1. chmod 744 dirname

  2. chmod 755 dirname

  3. chmod 700 dirname

  4. chmod 711 dirname

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Correct Option: A,C,D

UNIX is a

technology operating systems

  1. single-user system

  2. multitasking

  3. operating system

  4. Open Source

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Correct Option: B,C,D

Which operating system is popular in universities?
technology operating systems

  1. UNIX

  2. Android

  3. Microsoft

  4. Mac OS

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Correct Option: A

MacOS is derived from

technology operating systems

  1. UNIX

  2. Microsoft

  3. All the above

  4. None of the above

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Correct Option: A

UNIX is made of

technology operating systems

  1. Kernal

  2. Shell

  3. Programs

  4. All the above

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Correct Option: D

Unix File System
technology operating systems

  1. controls the way that information in files and directories is stored on disk

  2. It schedules the task to Processor

  3. An memory driver

  4. It controls which users can access what items and how

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Correct Option: A,D

How to append the content of one file to other using cat.

technology operating systems

  1. cat file1 > file2

  2. cat file1, file2

  3. cat file1>>file2

  4. cat file1 < file 2

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Correct Option: C

Touch command will?
technology operating systems

  1. Create zero byte file

  2. Creates an log file

  3. Create blank directory

  4. Create blank file

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Correct Option: A,D

man is used for help in unix?
technology operating systems

  1. True

  2. False

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Correct Option: A

which command is very dangerous?
technology operating systems

  1. cp

  2. mv

  3. rm

  4. ls

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Correct Option: C