Windows operating system comes with both Kernel and User modes, but not everyone knows the difference between both. In fact, most users have no idea these modes exist, but yet they’ve used them before ...

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 ...

If hackers were able to exploit a vulnerability in a kernel mode driver for any operating system, they'd essentially end up with control of the entire system. But, according to a story by News.com's ...

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, ...

Linux kernel version 2.6.30 has been released, adding support for new file systems, performance improvements, and new hardware drivers. The Linux kernel is the core used by GNU/Linux operating system ...