“Sed and Awk” by Dale Dougherty is a comprehensive textbook focusing on the popular Unix utilities Sed and Awk. Published in 1990 by O’Reilly Media, this book is part of the Nutshell Handbooks Series and is a valuable resource for those looking to master these tools for operating systems, enterprise applications, and general programming purposes. With 414 pages filled with practical examples and insights, this trade paperback serves as an essential guide for both beginner and experienced users alike. Good condition; minor coffee drips on page adage- see pics. No stains inside pages.