Please explain what a & b are asking. Thanks! will rate.

a) The purpose of the code on line 19, i.e., what does this line of code accomplish?.

Line 19: pid_t id = fork();

b) The purpose of the code on lines 21-27 (if statement). Make sure to explain each possibility handled by the if.

Lines 21-27:

if(id == -1) { std::cout << "Error creating process "; } else if (id == 0) { std::cout << "I am a child process! "; } else { std::cout << "I just became a parent! "; }