· History and philosophy of Unix/Linux and Open Source

· System architecture: from user interface to hardware

· Getting around: shell basics

· Overview: strace-ing “Hello World”

· Anatomy of a system call: uname()

· /proc – your window to the kernel

· Overview of common file systems: ext2/3, nfs, reiserfs, xfs, vfat

· Kernel file system architecture, from block devices to files & directories

· File related system calls: stat, access, open, close, read, write

· More file related system calls: readv, writev

· Overview of signals

· Typical usage

· Gotcha’s – traps and pitfalls

· What is a process

· Process environment

· Working with processes: fork, exec* and wait*

· Pipe and dup2, popen and pclose system calls

· FIFOs (named pipes)

· Shared memory

· Sockets

· Semaphores

· Time, gettimeofday system calls

· Alarm, setitimer

· Nanosleep

· Using the Unix clock

· Internal clocks

· TCP/IP overview

· The socket API

· Datagram v.s. connection-oriented sockets

· Typical client/server examples

· File locking with fcntl

· Asynchronous I/O via select

· The kernel boot process

· Building the kernel

· An overview of module programming

· Overview

· Variables

· Functions

· Examples

· Summary

· Q&A

· Evaluation