In the last lesson, you encountered the concept of a Real-Time Operating System (RTOS), and you worked out a manual procedure of switching the context from one thread to another. In this lesson, ...

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 course provides an overview of System Programming for the Linux operating system, or software which is interfacing directly with the Linux Kernel and C library. The basic components of a Linux ...

This fifth lesson on RTOS finally addresses the real-time aspect of the “Real-Time Operating System” name. Specifically, in the video lesson 26, you add a preemptive, priority-based scheduler to the ...

Work in computer systems covers the design and implementation of computer hardware and software, including architecture, operating systems, programming languages, security and networking.

While Microsoft and Apple don’t release the source code for their operating systems, a good estimate is that it takes around 50 million lines of code to run these software behemoths. The Linux kernel ...

My name is Charles Thomas Wilkes (my preferred name is “Tom”). I am very fortunate to have rejoined the faculty of the UMass Lowell Miner School of Computer & Information Sciences in 2017, after being ...

The history of computing could arguably be divided into three eras: that of mainframes, minicomputers, and microcomputers. Minicomputers provided an important bridge between the first mainframes and ...