Linux processes are made up of text, data, and BSS static segments; in addition, each process has its own stack (which is created with the fork system call). Heap space for Linux tasks are allocated ...

The Separation Kernel Hypervisor and Microkernel technologies have emerged as the leading contenders in hosting next-generation embedded safety and security critical compute platforms. Both ...

Modern CPUs can run in two modes: kernel mode and user mode. When a CPU runs in kernel mode, an extended set of instructions is allowed, as is free access to anywhere in memory and device registers.

Real time operating systems play a critical role in embedded systems, providing a guaranteed response to an event, with latencies measured in milliseconds; sometimes in microseconds. At the heart of ...

Device Drivers are the software through which the kernel of a computer communicates with different hardware without having to go into the details of how the hardware works. It is software that ...

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, ...

Corbin is a tech journalist and developer who worked at Android Police from 2016 until 2021. Check out his other work at corbin.io. Every single operating system developed by Google to date has one ...

James Carter and Stephen Smalley of the NSA showed off some Fuchsia secrets. Their focus was on security in Fuchsia and Zircon, its underlying micro-kernel. Zircon started as a fork from the Little ...