operating systems Online Quiz - 37

Description: operating systems Online Quiz - 37
Number of Questions: 20
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Tags: operating systems
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As a normal end user, you can delegate your mailbox permissions which is hosted on MS Exchange server from the Outlook.

  1. True

  2. False

Correct Option: A

On Windows, You can check the ip address of your computer by using the following command

  1. Ipconfig

  2. ifconfig

  3. Arp

  4. ping

Correct Option: A

The command msinfo32 is used to open

  1. Registry

  2. System Properties

  3. Control panel

  4. System information

Correct Option: D

Your system frequently restarts unexpectedly, you may fix this issue by doing the following.

  1. Nothing can be done

  2. Open system properties > Advanced>Setting under startup and Recovery>UnCheck restart on system failure

  3. open Msconfig and disable all startup items

  4. Do a Disk Derfrgmentation

Correct Option: B

What is the full form for ARP?

  1. Address Resolution Protocol

  2. Address Revolution Protocol

  3. Address Resolution Packets

  4. Automatic Resulution Protocol

Correct Option: A

What is the Port number used for a SSL?

  1. 23

  2. 21

  3. 80

  4. 443

Correct Option: D

Windows 98 is a NT based OS

  1. True

  2. False

Correct Option: B

Which Operating system has Jump list features?

  1. Windows ME

  2. Windows 7

  3. Windows XP

  4. Windows 95

Correct Option: B

How do you identify the Directories and the executables alone

  1. ls -d

  2. ls -Fx

  3. ls -ad

  4. ls -ltr

Correct Option: B

in a string search, _ is used to replace a single charecter and * is used to replace multiple words

  1. True

  2. False

Correct Option: B

what is the significance of $@ in unix shell

  1. The total count of positional parameters.

  2. Name of the executed command

  3. same as $* except when enclosed in double quotes

  4. none of these

Correct Option: C

Predict the output of the following program code main() { fork(); fork(); fork(); printf("Am in TCS!"); }

  1. It will get printed once

  2. it will get printed 8times

  3. it will not work

  4. It wil print three times

Correct Option: B

command to kill the last job running at the background.

  1. kill 1

  2. KILL $$

  3. kill $?

  4. kill $!

Correct Option: D

What is the keyword "echoe" used for

  1. Used to display the chanrecters that follow this unix command (Similar to echo).

  2. When combined with "stty" as a switch (stty -echoe) would actually remove the backspaced charecter from display.

  3. There is no such command / option in UNIX

  4. a & b are correct

Correct Option: B

command to delete all files in the current directory and its sub directories?

  1. rm -r *

  2. rmdir *

  3. Both the above

  4. None of there

Correct Option: A

Number of prompts available in Unix system?

  1. 1

  2. 2

  3. 5

  4. unlimited

Correct Option: B

What will the following command do? $ echo *

  1. This will not work

  2. Similar to ls command and displays all files in current dir

  3. will display the string " * "

  4. will display all the files in the previously ccessed directory

Correct Option: B

nohup command if added in front of any command will continue running the command or process even if you shut down your terminal or close your session to machine

  1. True

  2. False

Correct Option: B

UNIX command to wait for a specified number of seconds before exit.

  1. sleep n

  2. sleep(n-1)

  3. snooze(n)

  4. snooze n

Correct Option: A

If kill command does not allow killing of a process then we could use kill -9 to forcefully kill the process by mentioning the PID

  1. True

  2. False

Correct Option: B
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