Linux tip: How to use the od command

The video tutorial introduces the 'odd' command, which allows users to view the content of various file types, including text, image, and executable files, in different formats. It explains how 'odd' is more flexible than its name suggests, providing examples of viewing PNG, JPEG, and Linux executable files. The tutorial highlights the importance of file identifiers like 'PNG' and 'ELF' and explains how 'odd' displays data in octal and ASCII formats. It also briefly covers using 'odd' to view text files, although this is less common.

Describe the structure of a PNG file as mentioned in the text.

How can the 'odd' command be used with text files, and what is its utility?