content/programming/How to Use $() and ${} Expansions in a Shell Script – Linux Hint.md

---

title: How to Use $() and ${} Expansions in a Shell Script – Linux Hint date: 2020-04-10 14:07:30 categories: [programming] tags: [bash]

authors: sedlav

In this tutorial, we will explain two of the most useful bash expansions used in shell scripts: $() - the command substitution; and ${} - the parameter substitution/variable expansion.

Link