Liangxu Linux

Dec 1, 2020 · Fundamentals

Master Bash Brackets: Parentheses, Brackets, and Brace Expansions Explained

This guide explains Bash’s various bracket types—single and double parentheses, single and double square brackets, and curly braces—including their syntax, common use cases, command and arithmetic expansions, pattern removal, and practical examples for reliable shell scripting.