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operating systems Online Quiz - 18

Description: operating systems Online Quiz - 18
Number of Questions: 20
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Tags: operating systems
Attempted 0/20 Correct 0 Score 0

Which one of the follwing permission is correct for rwxr_xr__?

  1. chmod 775

  2. chmod 2754

  3. chmod 754

  4. chmod 277


Correct Option: C

What is the minimum number of partitions you need to install Linux?

  1. 2

  2. 3

  3. 4

  4. 1


Correct Option: B

Which daemon controls the network service -> POP3 mail service?

  1. inetd

  2. pop3d

  3. maild

  4. nntd


Correct Option: A

Which file defines all users on your system?

  1. /etc/users

  2. /etc/passwd

  3. /home/users

  4. /root/users


Correct Option: B

You need to see the last fifteen lines of the files dog, cat and horse. What command should you use?

  1. head -n 15 dog cat horse

  2. tail -15 dog cat horse

  3. tail -n 15 dog cat horse

  4. head -15 dog cat horse


Correct Option: C

What command is used to list the contents of directory with its permissions?

  1. ls

  2. ls -l

  3. ls -lrt

  4. ls directoryname


Correct Option: C

Which command is used to modify the access time of a file?

  1. cat

  2. touch

  3. ls

  4. file filename


Correct Option: B

syslogd daemon is responsible for tracking system information and saving it to specified log files

  1. True

  2. False


Correct Option: A

Blackberry OS is open source.

  1. True

  2. False


Correct Option: B

Blackberry OS is programmed in which language.

  1. C

  2. C++

  3. Java

  4. Python


Correct Option: B

Developer of Blackberry OS is?

  1. Blackberry Mobile comapny.

  2. Research In Motion

  3. Google

  4. Collaboration of RIM and Blackberry.


Correct Option: B

Current version Blackberry OS is?

  1. 4

  2. 4.5

  3. 6

  4. 5


Correct Option: C

Blackberry is available in how many languages?

  1. 6

  2. 12

  3. more than 20

  4. more than 30


Correct Option: C

Nick name of BlackBerry is FastBerry?

  1. True

  2. False


Correct Option: B

Blackberry PIN is?

  1. 8 character Octal

  2. 8 character decimal

  3. 8 character hexadecimal

  4. 16 character decimal


Correct Option: C

Blackberry users can chat with each other directly?

  1. True

  2. False


Correct Option: A

Who was the first president of US to use Blackberry for Email purpose.

  1. Bill Clinton

  2. George W. Bush

  3. Barack Obama

  4. George H. W. Bush


Correct Option: C

Which country officially announced the suspension of BlackBerry Messenger, BlackBerry Email, and BlackBerry Web browsing services in the country.

  1. India

  2. Britain

  3. Bahrain

  4. UAE


Correct Option: D

Android was originally developed by

  1. google

  2. Android.Inc

  3. HTC

  4. Open handset alliance


Correct Option: B
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