How many bytes of a file of size 1023 will be read by the following piece of code? 

  char buf[256]; 

   while (read(fd, buf, 256)) {

        /* Take some action */

  }

Effect of setting the 'sticky' bit on an application's executable image?

A C program 'domath.c' utilizes the math library. Which command correctly creates the corresponding executable 'domath'?

Which sequence creates a socket based connection for communication?

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?

The following code is written to be accessed by multiple detached threads. : const char * c; char * d; : /* no lock and no mutex is used in any way here */ my_print_func (c, &d); : Which one of the following will happen when this code is re-entered by multiple threads?

When there are more fork() calls than wait() calls, which of the following is created?

Which of the following can be called to remove zombie processes?

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;