Bash Shell Scripting- sed: Viewing file content and deleting file content based on line numbers

The video tutorial covers the use of the sed command in Unix/Linux systems. It explains the basic syntax and functionalities of sed, including viewing, printing, and deleting file content. The tutorial also demonstrates how to use sed to modify original files and emphasizes the importance of using the -i option carefully to avoid unintended changes. Practical examples are provided to illustrate these concepts.

How can you print a specific range of lines using the SET command?

What should you do before executing a command that modifies the original file?

What is the purpose of the '-I' option in the SET command?

How can you take a backup of your file before performing actions with the SET command?