Lesson 2: Operating Systems¶
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What an Operating System is¶
Anatomy of an OS¶
- User Interface: What you interact with. Window Managers for instance.
- Application Layer: What developers use to make software run.
- Kernel: The Core of the OS. Makes communication between hardware and applications sane.
- Hardware: What does the actual computations. The thing your keyboard is plugged into.
Types of Operating Systems¶
Popular Operating Systems¶
- UNIX
- Linux
- Android
- Debian
- RHEL
- MacOS / Darwin
- FreeBSD
- Linux
- Windows
Flavors of Linux¶
- Debian
- Ubuntu
- LinuxMint
- RedHat
- RHEL
- Fedora
- Centos
- Gentoo
- ChromeOS
Slackware
ArchLinux
Exercise: Pop Quiz¶
- What are some different types of Operating Systems?
- What constitutes a ‘Distribution’ of Linux?
- How is Linux different from Windows? OSX?
- How is Debian different from Gentoo?
Further Reading¶
- OSU Courses:
- CS 312: Linux System Administration
- DOBC in class form
- Not currently offered, however course content is online
- http://cs312.osuosl.org
- OSU Courses:
- CS 344: Operating Systems I
Required course for all CS Students at OSU.
- Covers fundamentals of low-level programming concepts.
- Multi-threaded programming
- Read / Write operations
- Socket programming
- OSU Courses:
- CS 444: Operating Systems II
Required course for all CS Students at OSU.
- Covers kernel hacking and low-level OS design.
- IO / Process scheduling
- Building kernel modules
- Memory management
- Free Online Resources:
OSDev.org is a wiki dedicated to helping people develop their own operating systems. It’s a big leap from this lesson, but great if you’re interested in learning the nitty-gritty.
Operating Systems Design and Implementation by Andrew S. Tanenbaum is a classic in the world of OS Development. It’s also a big leap, but can teach you more about how Operating Systems work than you ever thought there was to know.