Bash Shell Script Parameters: A Practical Reference for Positional and Special Variables
Learn how Bash passes arguments to scripts and how special parameters like $#, $@, $*, $$, and $? behave. This updated reference includes workflow diagrams, comparison tables, and production-friendly examples.
Reading XML in Shell Scripts: Safer Patterns with xmlstarlet and xmllint
Need to extract values from an XML file in a shell script? This revised guide explains the classic grep/sed approach, its limits, and safer XPath-based alternatives for production automation.
Shell Scripting Interview Questions, Explained: Bash Fundamentals, UNIX Processes, and Practical Commands
A modernized, interview-focused guide to shell scripting and core UNIX concepts for DevOps engineers. Learn command execution flow, redirection, permissions, process control, IPC, and safe scripting patterns with practical examples.
How to Run Shell Scripts from Apache Ant (and Set Unix File Permissions Safely)
Learn practical patterns for combining Apache Ant with shell scripts in Unix-like build environments. This guide covers file permissions, script execution, and safer file-processing examples for legacy CI pipelines.
Top 50 interview question and answers for PowerShell
PowerShell may be a cross-platform task automation answer created of a command-line shell, a scripting language, and a configuration management framework. PowerShell runs on Windows, Linux, and…