# Introduction Welcome to the lab on the Linux `free` command. In this lab, you will learn how to use the `free` command to monitor and analyze system memory usage. This skill is crucial for system administrators and developers who need to optimize system performance and troubleshoot memory-related issues. Imagine you are a junior system administrator tasked with monitoring the memory usage of a busy web server. The `free` command will be your primary tool for this task, allowing you to quickly assess the current memory status and identify potential issues before they impact system performance.
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