It's hard to justify spending that much money on an OS when you can go the FOSS route with Linux distributions ...

The Strangest Operating Systems Ever Released Windows, macOS, and Linux may dominate the world of home computing, but hobbyists have churned out some truly niche operating systems. Here are some of ...

A fundamental overview of operating systems (OSes) with an emphasis on practice. Topics covered include: OS structure, OS models, OS abstractions, concurrency sources, concurrency challenges, ...