Which of the following system calls transforms executable binary file into a process?

• A. Fork
• B. Exec
• C. Ioctl
• D. Longjmp

How many times the following C program prints yes? main() { fork();fork();printf(""yes""); }

• A. Only once
• B. Twice
• C. Four times
• D. Eight times

Which of the following calls never returns an error?

• A. Getpid
• B. Fork
• C. Ioctl
• D. Open

A fork system call will fail if ______________

• A. The previously executed statement is also a fork call
• B. The limit on the maximum number of processes in the system would be executed
• C. The limit on the minimum number of processes that can be under execution by a single user would be executed
• D. All of the mentioned

If a thread invokes the exec system call ____________

• A. Only the exec executes as a separate process
• B. The program specified in the parameter to exec will replace the entire process
• C. The exec is ignored as it is invoked by a thread
• D. None of the mentioned

If exec is called immediately after forking ____________

• A. The program specified in the parameter to exec will replace the entire process
• B. All the threads will be duplicated
• C. All the threads may be duplicated
• D. None of the mentioned

If a process does not call exec after forking ____________

• A. The program specified in the parameter to exec will replace the entire process
• B. All the threads should be duplicated
• C. All the threads should not be duplicated
• D. None of the mentioned

What is Thread cancellation?

• A. The task of destroying the thread once its work is done
• B. The task of removing a thread once its work is done
• C. The task of terminating a thread before it has completed
• D. None of the mentioned

When a web page is loading, and the user presses a button on the browser to stop loading the page?

• A. The thread loading the page continues with the loading
• B. The thread loading the page does not stop but continues with another task
• C. The thread loading the page is paused
• D. The thread loading the page is cancelled

When one thread immediately terminates the target thread, it is called ____________

• A. Asynchronous cancellation
• B. Systematic cancellation
• C. Sudden termination
• D. Deferred cancellation