Definition: Manpages are manual documentation for software or other resources that can be printed, saved as text files, or otherwise stored in a portable format. It's like a reference manual for operating systems, programming languages, or other technical documents. Definition: A "manpage" is a document for a specific software tool, program, or document, usually available on the internet to help users understand how to use it. Manpages are typically found in the user manual section of any software distribution or online documentation site.