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 operating system mode. Processors operate either in kernel mode or "user mode." Also called "supervisor mode," the kernel mode enables the OS (kernel) to execute "privileged instructions," which ...

A complex power management system for computer devices has evolved, allowing the computer to shut down or enter lower power consumption mode while ensuring that attached devices are properly powered ...

EA announced its latest salvo in the endless cat-and-mouse battle of PC gaming cheat detection on Tuesday, and the effort prominently features one term sure to raise a red flag for some users: “kernel ...

When you write programs in user space, the worst thing that can happen to your program is a core dump. Your program did something very wrong, so the operating system decided to give you all of its ...

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.

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, ...

Developers have released the Linux kernel version 2.6.30, adding support for new file systems as well as performance improvements and new hardware drivers. The Linux kernel is the core used by ...