awk step by step
In this video, you will learn how to use the awk command one small step at a time.
We start from the simplest working examples and build only what you need to use awk with confidence in the Linux terminal.
awk is one of the most common tools for working with text in Linux.
It is used every day in IT to extract columns from files, filter logs, and clean up command output.
If you have ever felt unsure when you see awk in a script or tutorial, this lesson is designed to remove that confusion and make it feel manageable.
In this walkthrough, I explain each command slowly, show the output, and describe exactly what is happening on each line.
What you’ll learn in this video:
• How awk reads files line by line
• How to print specific columns from a file
• How to filter lines using simple conditions
• How to use awk with piped command output
• How to work with space-separated and comma-separated files
Many beginners feel anxious when working with text processing tools.
This lesson is structured to reduce that anxiety by focusing only on the simplest patterns that work in real IT tasks.
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00:00 Intro
00:20 What awk is used for
00:38 Create a test file
01:27 Print the whole file
02:02 Print only the first column
02:34 Print a different column
02:50 Print multiple columns
03:13 Show line numbers
03:32 Filter lines with a condition
04:26 Use awk with a command pipeline
04:59 Change the field separator
05:57 Troubleshooting notes
06:34 Real World Example
06:54 Next Step
07:22 Outro
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