Tag: operating systems

Questions Related to operating systems

Which daemon controls the network service -> POP3 mail service?
technology operating systems

  1. inetd

  2. pop3d

  3. maild

  4. nntd

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Correct Option: A

Is Linux / UNIX file system case sensitive
technology operating systems

  1. True

  2. False

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Correct Option: A

Which file defines all users on your system?
technology operating systems

  1. /etc/users

  2. /etc/passwd

  3. /home/users

  4. /root/users

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Correct Option: B

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

technology operating systems

  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

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Correct Option: C

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

technology operating systems

  1. ls

  2. ls -l

  3. ls -lrt

  4. ls directoryname

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Correct Option: C

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

  1. cat

  2. touch

  3. ls

  4. file filename

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Correct Option: B

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

  1. True

  2. False

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Correct Option: A

Blackberry OS is open source.
technology operating systems

  1. True

  2. False

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Correct Option: B

Blackberry OS is programmed in which language.
technology operating systems

  1. C

  2. C++

  3. Java

  4. Python

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Correct Option: B

Developer of Blackberry OS is?

technology operating systems

  1. Blackberry Mobile comapny.

  2. Research In Motion

  3. Google

  4. Collaboration of RIM and Blackberry.

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Correct Option: B