What is the return value of the system call open if it fails?0-198

is open a function or a system call? (select all valid answers)it’s a kernel routineit’s a library callit’s a system callit’s a function provided by the kernelit’s a function

What does the return 0; statement in main function indicate?Select one:None of theseThe program worked as expected, without any errors during its executionThe program should not be endedThe program did nothing, completed 0 tasks

Most of the time, on a classic, modern Linux system, what will be the value of the first file descriptor you will get after opening a new file with open (if open succeeds of course):1045623

What does the return 0; statement in main function indicate?Select one:None of theseThe program should not be endedThe program did nothing, completed 0 tasksThe program worked as expected, without any errors during its execution

Which of the following system calls does not return control to the calling point, on termination?Select one:a. execb. forkc. waitd. ioctl