Another useful tool that you can use to find out more about Linux commands is info. info reads documentation in the info format (a special format generated usually from a Texinfo source). Info pages usually give more detailed information about a command then its respective man pages.

What is info file in Linux?

Info is a software utility which forms a hypertextual, multipage documentation and help viewer working on a command-line interface. Info reads info files generated by the texinfo program and presents the documentation as a tree with simple commands to traverse the tree and to follow cross references.

What does info topic show in Linux?

What does info <topic> show? Shows the info page for the specified topic.