This is a detailed tutorial to KornShell's fundamentals. It has been updated to reflect the revised version of KornShell, KSH 93. KornShell has evolved from a simple command interpreter to a full-featured programming language and can bring productivity gains to the system administrator and end-user. The author has also updated the text to include webscripting and the CD-ROM contains UWIN, KSG98 binaries, Apache Web Server and examples.