System Programming MCQs

What does the open system call return upon success?

If a process executes the following C code on a Linux system, what is the outcome?

On Linux, the pthread_create interface does not use the fork system call to create threads.

Which shell parameter contains the return value of the previously executed shell command?

Which call is used to initiate a socket connection to a target address?

Thread joining synchronizes threads by doing which of the following?

What does the following function return? Class retVal = [self class]; if ([retVal class] != [NSObject class]) { while ([retVal superclass] != [NSObject class]) retVal = [retVal superclass]; } return retVal;

In UNIX, a program requires higher privileges in order to do which of the following?

Which of the following could the fork() command return to the child process?

Given: int s, l; struct sockaddr_un sock_struct; Choose the option that corrects the following line: bind(s, sock_struct, l);