The Bash shell is packed with the power of large scale automation, interactive scripting, and presents itself as an effective platform that can integrate any collection of command line based tools. Individually, the utilities available from the Bash terminal are incredibly powerful and solve their own dedicated collection of problems quite well, from interacting with TCP-based networking services to using regular expressions to process data in powerful and intelligent ways. This book is about taking control of the potential of the Bash shell and using it to integrate, automate, and make effective use of the command line based security assessment tools in Kali Linux. This book teaches you to take your problem solving capabilities to the next level with the Bash shell, to assess network and application level security by leveraging the power of the command-line tools available with Kali Linux. The book begins by introducing some of the fundamental bash scripting and information processing tools. Building on this, the next few chapters focus on detailing ways to customize your Bash shell using functionalities such as tab completion and rich text formatting. After the fundamental customization techniques and general purpose tools have been discussed, the book breaks into topics such as the command line based security tools in the Kali Linux operating system. The general approach in discussing these tools is to involve general purpose tools discussed in previous chapters to integrate security assessment tools. This is a One stop solution to learn Bash and solve information security problems.