command substitution

Explore the powerful features of Bash scripting with command substitution and pipelines. This tutorial covers how to effectively use command substitution to replace script commands with their output, and pipelines to link commands sequentially. Learn the preferred syntax, practical examples, and installation tips using common package managers like `apt`, `dnf`, and `zypper`. Ideal for system admins and developers seeking to optimize scripting tasks and command line operations.

This guide explores command substitution in shell scripting, a technique where the output of one command is used as input for another. Covering both backticks and dollar-parenthesis syntax, the article provides practical scenarios and best practices to enhance script dynamism and functionality, crucial for tasks like file manipulation and system monitoring.