1.Concepts
‧System calls and library functions
2.I/O system calls
‧read(), write(), ioctl() ,etc.
‧File locking
‧Nonblocking I/O
‧I/O multiplexing: select() and poll()
‧Signal-driven I/O
3.File Attributes and Directories
7.Interprocess Communication Overview
‧Pipes and FIFOs
‧POSIX Message Queues
‧POSIX Semaphores
‧POSIX Shared Memory