In this newly revised fifth edition, Richard Blum delivers an up-to-date and authoritative discussion of the fundamentals of shell scripting in Linux, as well as the advanced topics, working examples, ...

If you’re comfortable using the command line on Unix or Linux but haven’t fully explored Bash, this book is for you. It’s designed for programmers familiar with languages like Python, JavaScript, or ...

Claim your complimentary copy (valued at $35.99) for free before the offer expires on April 9. Dive into the world of Linux shell scripting with this hands-on guide. If you’re comfortable using the ...

A shell script is a text file that contains a sequence of commands for a Unix-based operating system (OS). It's called a shell script because it combines a sequence of commands in a file that would ...

If you're working in a Linux environment, chances are you've encountered environment variables—even if you didn’t realize it at the time. They quietly power much of what goes on behind the scenes in ...

Increasingly, physicians and biologists are facing large amounts of data that can no longer be analyzed "by hand." In many research fields bioinformatics contributes both general and specific ...

PowerShell is a cross-platform automation and scripting tool used across IT, cloud, development and security. In 2026, PowerShell 7.6 LTS offers a current .NET 10-based release with long-term support.