After introducing interrupts and the foreground/background architecture, I am finally ready to tackle the concept of a Real-Time Operating System (RTOS). In this first lesson on RTOS (commonly ...

What is a Real-Time Operating System (RTOS), and what does “real-time” mean anyway? What are the various kinds of state machines, and how to code them efficiently in C? What is object-oriented ...

Cross-platform software is the norm today. In many cases, developers don't have to consider what operating system their apps will be deployed on, because apps tend to be more or less platform-agnostic ...

This is a graduate course in operating systems intended to create a foundation for operating systems research or advanced professional practice. Topics include thread and process management, virtual ...

Developers talk a lot about “immutability.” Outside the technical world, it usually means something negative: unmoving, inflexible, and entrenched. However, in the technical field, these features ...

The Android mobile platform, originally based on a modified version of the Linux kernel, has created huge ripples in the mobile industry. After all, it is one of the most used mobile operating systems ...

As the forerunner to the graphical user interfaces in Microsoft’s Windows platform, MS-DOS helped set the stage for the company’s dominance in the PC software market. When MS-DOS was released in 1981, ...