Using pointers and shared memory for IPC, what would you need to add to your code to ensure data integrity? Explain how commit works in a multi-transaction / multi-system function and what would need to be in place for a rollback to be successful.
Explain how buffering of data achieves a more efficient way to do I/O. Why is it important to add buffering to I/O?
What is the difference between blocking calls and non-blocking calls? Explain 2 methods to remove blocking from your application.