This book has been written keeping in mind the requirements of the students who are doing UNIX course. Every aspect of the topic has been covered while writing the programs. The book?s small size is meant to keep your investment in time down to a minimum but with the greatest possible amount of knowledge. All the examples in this book are actual, runnable code tested on UNIX system. Regardless of the version you run on your system, the difference in coding you find will be minor.