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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
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what do SUID bits do

technology operating systems

  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

Show answer
Correct Option: B

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

  1. Tests for command-line arguments

  2. Shifts arguments to the left

  3. Exits the program

  4. Creates a pause in the program

Show answer
Correct Option: D

Which directory is the standard for storing shell scripts created by systems adminstrators?
technology operating systems

  1. /etc

  2. /bin

  3. /dev

  4. /rc.d

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Correct Option: B

What stream usually outputs error messages to the screen?
technology operating systems

  1. stdout

  2. stderr

  3. stderr2

  4. stdouterr

Show answer
Correct Option: B

Without using the shift command, what range of command-line argument variables can be referenced correctly?

technology operating systems

  1. $0 to $9

  2. $0 to $10

  3. $1 to $9

  4. $1 to $10

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Correct Option: A

If the argument list is omitted from a for command, where does it take its values from?
technology operating systems

  1. The $* shell variable

  2. The [email protected] shell variable

  3. Redirected input

  4. Redirected output

Show answer
Correct Option: B

Which of the following does the .seq file in the printer spooling directories do?
technology operating systems

  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

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Correct Option: C

linux allows more than one root directory
technology operating systems

  1. True

  2. False

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Correct Option: B

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

  1. True

  2. False

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Correct Option: B

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

technology operating systems

  1. True

  2. False

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Correct Option: B

Normal users can kill init process

technology operating systems

  1. True

  2. False

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Correct Option: B

top command can be used to control processes
technology operating systems

  1. True

  2. False

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Correct Option: B

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

Show answer
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

Show answer
Correct Option: E
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