Android is closed operating system.

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

Which databse is used for storage purpose.

Android is programmed in

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

what is the file to edit default limits of server?

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

Which is the innermost layer in Unix Operating system

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

"echo" is an internal command

What is the output of $bc 9/5

What is the command used to find out the time taken to perform an operation.

How will you calculate CPU time used to perform an action

Unix files has end of file mark

To get a recursive list what option is used with "ls" command.

What is the size of the file /dev/null