Linux Internals

• Lecture One
• What is an operating system?
• A brief history of UNIX
• Architecture of the Linux operating system
• Logging into (and out of) UNIX systems
• Changing your password
• General format of UNIX commands
• Exercise Sheet One

• Lecture Two
• The UNIX filesystem
• Typical UNIX directory structure
• Directory and file handling commands
• Making hard and soft (symbolic) links
• Specifying multiple filenames
• Quotes
• Exercise Sheet Two

• Lecture Three
• File and directory permissions
• Inspecting file content
• Finding files
• Finding text in files
• Sorting files
• File compression and backup
• Handling removable media
• Exercise Sheet Three

• Lecture Four
• Processes
• Pipes
• Redirecting input and output
• Controlling processes associated with the current shell
• Controlling other processes
• Exercise Sheet Four

• Lecture Five
• Connecting to remote machines
• Network routing utilities
• Remote file transfer
• Other Internet-related utilities
• User Information and Communication
• Printer control
• Email utilities
• Advanced text file processing
• Target-directed compilation
• Version control with CVS
• C/C++ compilation utilities
• Manual pages
• Exercise Sheet Five

• Lecture Six
• Introduction to vi
• Basic text input and navigation in vi
• Moving and copying text in vi
• Searching for and replacing text in vi
• Other useful vi commands
• Quick reference for vi
• Introduction to emacs
• Basic text input and navigation in emacs
• Moving and copying text in emacs
• Searching for and replacing text in emacs
• Other useful emacs commands
• Other UNIX editors
• Exercise Sheet Six

• Lecture Seven
• The superuser root
• Shutdown and system startup
• Adding users
• Controlling user groups
• Reconfiguring and recompiling the Linux kernel
• Cron jobs
• Keeping essential system processes alive
• Exercise Sheet Seven

• Lecture Eight
• Shells and shell scripts
• Shell variables and the environment
• Simple shell scripting
• More advanced shell scripting
• Start-up shell scripts
• Exercise Sheet Eight