UNIX (and other operating systems also) Concepts

• How (E)rror (C)orrecting (C)odes work
• What UNIX (E)xpanded (F)undamental (T)ypes are
• UNIX filesystem: What are they and where do they reside
• Memory -- Virtual, Real and Swap and how they relate
• Zombie and Immortal processes why they are hard to kill
• An orientation outline to UNIX concepts