• Sed by Example, Part 1
• Sed - An Introduction and Tutorial

• [The Basics of Using the Sed Stream Editor to Manipulate Text in Linux

  DigitalOcean](https://www.digitalocean.com/community/tutorials/the-basics-of-using-the-sed-stream-editor-to-manipulate-text-in-linux)

Now, getting to know sed much better now, I find these resources very useful:

• GNU sed user’s manual - GNU Project - Free Software Foundation (FSF) (sed, a stream editor)
• The UNIX School: sed - 25 examples to delete a line or pattern in a file