Man pages (short for manual pages) are the extensive documentation that comes preinstalled with almost all substantial Unix and Linux operating systems. The Unix / Linux command used to display them is man. Each page is a self-contained document. man command provides reference information/manual on commands, subroutines and files. When in Doubt use man <command>.
It has following information:
• Purpose
• Syntax
• Description
• Flags
• Example
• Files
• Related Info
# man <command-you-want-to-know-for-details>
