Debian is a free operating system (OS) for your computer. An operating system is the set of basic programs and utilities that make your computer run. At the core of an operating system is the kernel.
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Introduction to Unix
Unix is a layered operating system. The innermost layer is the hardware that provides the services for the OS. The operating system, referred to in Unix as the kernel, interacts directly with the hardware and provides the services to the user programs.
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Linux from Scratch
This book describes the process of creating your own Linux system from scratch from an already installed Linux distribution, using nothing but the sources of software that are needed.
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The BeOS is a wonderful operating system waiting for applications. On its own, the system provides unmatched support for text, graphics, efficient multithreading, and other underpinnings of modern applications-but the user can’t take advantage of them without suitable design and display tools. That’s where you- and this book-come in.
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One of the many advantages of free operating systems, as typified by Linux, is that their internals are open for all to view. The operating system, once a dark and mysterious area whose code was restricted to a small number of programmers, can now be readily examined, understood, and modified by anybody with the requisite skills. Linux has helped to democratize operating systems. The Linux kernel remains a large and complex body of code, however, and would-be kernel hackers need an entry point where they can approach the code without being overwhelmed by complexity. Often, device drivers provide that gateway.
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