43. Iostat command in Linux | Linux Crash course | from zero to expert
Iostat Command in Linux | Linux Crash Course
In this video, you’ll learn how to use the iostat command in Linux to monitor system input/output device loading. This command is essential for analyzing disk performance, CPU usage, and identifying bottlenecks in your system.
We will break down the output of iostat step by step, so you can clearly understand metrics like read/write speed, I/O wait time, and device utilization. Whether you're a beginner or preparing for Linux certifications like LPIC-1, this command is a must-know for real-world system monitoring and troubleshooting.
🔹 What you’ll learn in this video:
What the iostat command is and why it’s important
How to check CPU and disk I/O statistics
Understanding key fields like %util, await, r/s, w/s
Using iostat with intervals and counts
Real-world examples for performance monitoring
This tutorial is part of our Linux Crash Course series, designed to help you quickly build strong Linux fundamentals.
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