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operating systems Online Quiz - 62

Description: operating systems Online Quiz - 62
Number of Questions: 20
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Tags: operating systems
Attempted 0/20 Correct 0 Score 0

what do SUID bits do

  1. They ensure that the associated program runs in root

  2. They ensure that the associated program runs automatically with the owner's permissions

  3. They make the file executable

  4. They add the program to the /bin directory


Correct Option: B

What does the read command do while it waits for input?

  1. Tests for command-line arguments

  2. Shifts arguments to the left

  3. Exits the program

  4. Creates a pause in the program


Correct Option: D

What stream usually outputs error messages to the screen?

  1. stdout

  2. stderr

  3. stderr2

  4. stdouterr


Correct Option: B
  1. The $* shell variable

  2. The [email protected] shell variable

  3. Redirected input

  4. Redirected output


Correct Option: B
  1. Prevent two jobs being sent to the same printer simultaneously

  2. Keep track of all the print jobs in the spooling directory

  3. Assign job numbers to new print jobs

  4. Record the owners of print jobs


Correct Option: C

linux allows more than one root directory

  1. True

  2. False


Correct Option: B

It is possible to redirect the output of a process to more than one source

  1. True

  2. False


Correct Option: B

du command displays the file system usage for the entire file system

  1. True

  2. False


Correct Option: B
  1. Windows 2000 Server License

  2. Terminal Server Client Access License

  3. Microsoft Exchange Server Client License

  4. Microsoft IIS Server License


Correct Option: B
  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]


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]

  1. True

  2. False


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"

  1. True

  2. False


Correct Option: B
  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


Correct Option: E
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