Saving power with Linux on Intel hardware

In the last two months, Linux has made an enormous step forward in terms of power consumption and battery life. Linux kernel community developers such as Thomas Gleixner and Ingo Molnar and various Intel developers joined hands in developing a set of patches to push Linux to the next level with the Tickless Idle feature and a series of follow on developments that cash in the potential of the tickless core infrastructure.

Saving power with Linux on Intel hardware

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Inside the Linux boot process

The process of booting a Linux® system consists of a number of stages. But whether you’re booting a standard x86 desktop or a deeply embedded PowerPC® target, much of the flow is surprisingly similar. This article explores the Linux boot process from the initial bootstrap to the start of the first user-space application. Along the way, you’ll learn about various other boot-related topics such as the boot loaders, kernel decompression, the initial RAM disk, and other elements of Linux boot.

Inside the Linux boot process

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