Tag: operating systems

Questions Related to operating systems

Android has ...... lines of code.
technology operating systems

  1. 8 million

  2. 10 million

  3. 15 million

  4. 12 million

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Correct Option: D

The first commercially available phone to run the Android operating system was the
technology operating systems

  1. HTC Dream

  2. Samsung

  3. Motorolla

  4. LG

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Correct Option: A

Which databse is used for storage purpose.
technology operating systems

  1. Oracle

  2. SQL Express

  3. SQLite

  4. DB2

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Correct Option: C

Android is programmed in
technology operating systems

  1. C ,Java

  2. C,C++,Java

  3. Java,linux

  4. Java ,Pearl

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Correct Option: B

what is the command to stop mysql replication on slave server?
technology operating systems

  1. stop slave

  2. service mysql stop

  3. shutdown

  4. service mysql restart

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Correct Option: A

what is the file to edit default limits of server?
technology operating systems

  1. /etc/securitty

  2. /etc/limit

  3. ulimit

  4. /etc/security/limits.conf

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Correct Option: D

how to find what day does dec 1 fall on?
technology operating systems

  1. $date -day 'Dec 1' +%A

  2. $date --date='1 Dec' +%A

  3. $date -day '1 Dec'' +%A

  4. $date day=1 Dec

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Correct Option: B

Only way to kill defunct process is find the parent process id of the defunct process and then kill that parent process.
technology operating systems

  1. True

  2. False

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Correct Option: A

Which is the innermost layer in Unix Operating system
technology operating systems

  1. Shell

  2. Kernal

  3. Hardware

  4. Terminal

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Correct Option: C

What is the program that starts running for you when you login and dies when you log out.
technology operating systems

  1. Shell

  2. Terminal

  3. Kernal

  4. tty

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Correct Option: A