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 ...

However, SeL4 can be used, in theory, as a foundation for Linux and other Unix related operating systems. For example, it was briefly considered for use in Richard M. Stallman's still-born Gnu Hurd ...

A Kernel Potato: Ubuntu is one of most popular Linux distributions available, it is a free and open source operating system based on Debian, and is used by both end users and enterprise ventures. It's ...

What are open-source operating systems? Underpinning an operating system, for example Windows on your PC or Android on your phone, is many, many lines of code. Allowing anyone to inspect the source ...

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, ...

Both Windows and Linux are receiving significant security updates that can, in the worst case, cause performance to drop by half, to defend against a problem that as yet hasn't been fully disclosed.

Microsoft will patch a large number of Windows kernel-mode device driver vulnerabilities later today, the researcher who reported them said. Today’s security updates will also close a bug in Internet ...