head Command Explained: Mastering File Previews (Lines vs. Bytes)
In this video, we'll explore the head command, an essential tool for quickly viewing the beginning of files without opening them entirely. Learn how to preview the first few lines or bytes of any file, handle multiple files at once, and use head in powerful command-line pipelines.
What you'll learn in this video:
[00:12] What is the head command and its default behavior.
[00:53] Using the -n flag to specify the exact number of lines to view.
[01:20] Using the -c flag to view a specific number of bytes, perfect for binary files.
[01:56] How head efficiently handles multiple files at once.
[02:37] The trick to showing all lines except for the last few.
[03:32] Practical Examples: Using head with pipes and wildcards for logs and listings.
[04:03] A complete quick reference cheatsheet for all essential commands.
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