<ul><li>The head command is a lightweight Linux utility that displays the top portion of a file, making it useful for quick file previews without opening the whole file.</li><li>In real-world DevOps and cloud workflows, head allows for instant insight into log files without consuming unnecessary resources or taxing the system.</li><li>Real-world examples include quick log analysis, custom line count for config verification, previewing multiple files at once, and byte-limited previews for binary files.</li><li>Power user techniques involve combining head with other commands, dynamic file selection, and stream processing with pipes, while knowing when to use head versus alternatives like less, tail, and rep.</li></ul>

head Command – How to Preview File Content Without Opening the Whole Thing

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