This is the only authoritative, in-depth description of the internal workings and programmatic interface to the UNIX System V Release 4 operating system - the various techniques, algorithms, and structures within the UNIX System V Release 4 core operating system (the Kernel). KEY TOPICS: Shows readers how to support, port, design, analyze, fault find, understand, and program the UNIX system. MARKET: For UNIX and C programmers, support engineers, analysts, operating system designers with an interest or involvement in UNIX.