LEARN BASH & SHELL SCRIPT: Automate Commands and Flows with Conditional Logic and Logs
About this ebook
This book is intended for students and professionals who want to master Bash and Shell Script for efficient automation in Unix and Linux systems. With a practical focus and direct application, the content covers everything from creating simple scripts to advanced solutions for task management, data processing, and integration with tools and pipelines.
You will learn how to manipulate files, control execution flows, create reusable functions, interact with variables and parameters, work with regular expressions, and implement automated routines that increase productivity in corporate and development environments.
Includes:
• Structuring and executing scripts in Unix/Linux environments
• Automating repetitive tasks and critical processes
• Using conditionals, loops, and functions for robust logic
• Managing files, directories, and permissions
• Integrating scripts with DevOps tools and pipelines
• Text processing with awk, sed, and grep
• Monitoring and logging execution with real-time feedback
By the end, you will be able to create and maintain professional-level Shell Script solutions, applying secure and scalable automation in technical and operational projects.
bash, shell script, systems automation, linux scripts, text processing, awk, sed, grep, devops pipelines, linux administration
About the author
Diego Rodrigues
Technical Author and Independent Researcher
ORCID: https://orcid.org/0009-0006-
StudioD21 Smart Tech Content & Intell Systems
Email: [email protected]
LinkedIn: linkedin.com/in/diegoexpertai
International technical author (tech writer) focused on the structured production of applied knowledge. He is the founder of StudioD21 Smart Tech Content & Intell Systems, where he leads the creation of intelligent frameworks and the publication of didactic technical books supported by artificial intelligence, such as the Kali Linux Extreme series, SMARTBOOKS D21, among others.
Holder of 42 international certifications issued by institutions such as IBM, Google, Microsoft, AWS, Cisco, META, Ec-Council, Palo Alto, and Boston University, he works in the fields of Artificial Intelligence, Machine Learning, Data Science, Big Data, Blockchain, Connectivity Technologies, Ethical Hacking, and Threat Intelligence.
Since 2003, he has developed more than 200 technical projects for brands in Brazil, the USA, and Mexico. In 2024, he established himself as one of the leading technical book authors of the new generation, with over 180 titles published in six languages. His work is based on his proprietary TECHWRITE 2.3 applied technical writing protocol, focused on scalability, conceptual precision, and practical applicability in professional environments.
