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The Design And Implementation Of The Freebsd Operating System
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About The Design And Implementation Of The Freebsd
Product Description The authors provide a concise overview of FreeBSD's design and implementation. Then, while explaining key design decisions, they detail the concepts, data structures, and algorithms used in implementing the systems facilities. As a result, readers can use this book as both a practical reference and an in-depth study of a contemporary, portable, open source operating system. From the Back Cover As in earlier Addison-Wesley books on the UNIX-based BSD operating system, Kirk McKusick and George Neville-Neil deliver here the most comprehensive, up-to-date, and authoritative technical information on the internal structure of open source FreeBSD. Readers involved in technical and sales support can learn the capabilities and limitations of the system; applications developers can learn effectively and efficiently how to interface to the system; system administrators can learn how to maintain, tune, and configure the system; and systems programmers can learn how to extend, enhance, and interface to the system. The authors provide a concise overview of FreeBSD's design and implementation. Then, while explaining key design decisions, they detail the concepts, data structures, and algorithms used in implementing the systems facilities. As a result, readers can use this book as both a practical reference and an in-depth study of a contemporary, portable, open source operating system. This book: Details the many performance improvements in the virtual memory systemDescribes the new symmetric multiprocessor supportIncludes new sections on threads and their schedulingIntroduces the new jail facility to ease the hosting of multiple domainsUpdates information on networking and interprocess communication Already widely used for Internet services and firewalls, high-availability servers, and general timesharing systems, the lean quality of FreeBSD also suits the growing area of embedded systems. Unlike Linux, FreeBSD does not require users to publicize any changes they make to the source code. About the Author Marshall Kirk McKusick writes books and articles, consults, and teaches classes on UNIX- and BSD-related subjects. While at the University of California at Berkeley, he implemented the 4.2BSD fast file system, and was the research computer scientist at the Berkeley Computer Systems Research Group (CSRG) overseeing the development and release of 4.3BSD and 4.4BSD. He has twice served as the president of the board of the Usenix Association. George V. Neville-Neil works on network and operating system code for fun and profit and teaches programming. He also serves on the editorial board ofQueue magazine and is a member of the Usenix Association, ACM, and IEEE. Excerpt. © Reprinted by permission. All rights reserved. This book follows the earlier authoritative and full-length descriptions of the design and implementation of the 4.3BSD and 4.4BSD versions of the UNIX system developed at the University of California at Berkeley. Since the final Berkeley release in 1994, several groups have continued development of BSD. This book details FreeBSD, the system with the largest set of developers and the most widely distributed releases. Although the FreeBSD distribution includes nearly 1000 utility programs in its base system and nearly 10,000 optional utilities in its ports collection, this book concentrates almost exclusively on the kernel. UNIX-like Systems UNIX-like systems include the traditional vendor systems such as Solaris and HP-UX; the Linux-based distributions such as Red Hat, Debian, Suse, and Slackware; and the BSD-based distributions such as FreeBSD, NetBSD, OpenBSD, and Darwin. They run on computers ranging from laptops to the largest supercomputers. They are the operating system of choice for most multiprocessor, graphics, and vector-processing systems, and are widely used for the original purpose of timesharing. The most common platform for providing network services (from FTP to WWW) on the
