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 ...

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 ...

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 ...

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 ...

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, ...

Internet Information Services (IIS) 6.0 boasts a new kernel-mode caching capability that could greatly enhance the Web server's performance. "The IIS 6.0 kernel-mode cache is designed speed up static ...

Respecting users choices and offering a hardcore mode among key suggestions. Retired Microsoft engineer Dave Plummer has waded into the argument over where Microsoft has gone wrong with Windows, ...