This book is a complete description of vi, the popular display oriented interactive text editor on Unix systems. The thorough treatment of the vi editor applicable to both system V and 4.2 BSD Unix systems, helps the user learn and understand its features beginning from the fundamentals. It also helps the user to develop skills of a more sophisticated level and is not only for beginners but also for the more advanced users of Unix systems. The many examples and the quick reference guide are useful features of the book.Contents:IntroductionGetting Started with viCursor MovementsModifying TextWindow for EditingEditing a File RevisitedCut and Paste within a FileCut and Paste between FilesString SubtitutionsEnvironment SettingEditing on Slow TerminalsSpecial TopicsExploiting of vi for ProductivityQuick Reference Guide to viSummary of Shell CommandsReadership: Computer scientists, systems programmers and software developers.Key Features:A revised edition of the book, The Structure of Power in North China during the Five Dynasties, originally published in 1963