Tag: operating systems

Questions Related to operating systems

Shell functions are self-contained and cannot be accessed from outside the function
technology operating systems

  1. True

  2. False

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Correct Option: B

vi is the only text editor available in linux
technology operating systems

  1. True

  2. False

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Correct Option: A

The key [HKEY_LOCAL_MACHINE\Software\Microsoft\MSLicensing] Stores information on
technology operating systems

  1. Windows 2000 Server License

  2. Terminal Server Client Access License

  3. Microsoft Exchange Server Client License

  4. Microsoft IIS Server License

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Correct Option: B

You can disable USB storage devices on your computer by locating the DWORD value "Start" under the key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\USBSTOR] and changing its value data to:
technology operating systems

  1. 1

  2. 2

  3. 3

  4. 4

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Correct Option: D

The applications you find running at startup are also listed under
technology operating systems

  1. [HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\RunOnce]

  2. [HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\Start]

  3. [HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\Run]

  4. [HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\Startup]

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Correct Option: C

You can view and change Windows Pagefile settings under the following key: [HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Session Manager\Memory Management]
technology operating systems

  1. True

  2. False

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Correct Option: A

Dr. Watson is the automatic debugger in Windows and tries to automatically debug program errors if they occur. To turn of Dr. Watson, you should set the value of the string "Auto" under the key [HKEY_Local_Machine \Software\Microsoft\Windows NT\CurrentVersion\AeDebug] to "1"
technology operating systems

  1. True

  2. False

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Correct Option: B

How can you list the files present in a directory in alphabetical order ?

technology operating systems

  1. ls -S

  2. By executing the script - for myfile in * do echo "$myfile" done

  3. ls -t

  4. a,b and c are correct

  5. a is incorrect and b is correct

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Correct Option: E

You are executing the following commands in a shell $ cp ~/myfile.dat /media/mounted/ext/drive1/newmyfile.dat $ cd /media/mounted/ext/drive1 $ mv newmyfile.dat oldmyfile.dat and now you are asked to display the long listing of the file "newmyfile.dat". Which of the following will you use ?
technology operating systems

  1. ls -lrt !cp:2

  2. ls -lrt !mv:1

  3. ls -lrt /media/mounted/ext/drive1/newmyfile.dat

  4. a and b will give "Command not found error" and c will work fine and all other options are incorrect.

  5. a,b and c will give correct results.

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Correct Option: E

You are done using your external memory disk (say-KINSTON Pen disk) in Linux and you want to unmount it. But you get an error message like "umount: /media/KINGSTON: device is busy". Which of the following you can use to UNMOUNT IT SAFELY.

technology operating systems

  1. Find the process that is using the drive and kill it safely.

  2. option a is correct and the following needs to be done to implement it: fuser /media/KINGSTON;fuser -k /media/KINGSTON; umount /media/KINGSTON

  3. Option a is incorrect and unsafe and you need to hard boot to solve this problem.

  4. Use a force option on unmount to acheive this : umount -F /media/KINSGTON

  5. a and b are correct.

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Correct Option: E