In the realm of Unix and Unix-like operating systems, the term "man page" refers to a manual page, a form of software documentation traditionally accessed via the man
command in the terminal. These pages serve as a comprehensive reference for commands, system calls, library functions, configuration files, and other aspects of the operating system. Designed for quick access and clarity, man pages are a foundational resource for IT professionals, system administrators, and developers seeking authoritative information directly from the system environment.
Man pages are structured into sections, each corresponding to a specific category of documentation. Common sections include user commands, system calls, library functions, special files, and administrative commands. Each page typically follows a standardized format, including a name, synopsis, description, options, examples, and references. This consistency allows users to quickly locate relevant information and understand command syntax and behavior. The format is intentionally terse and technical, optimized for experienced users who require precision and efficiency.
From a file format perspective, man pages are usually written in troff or groff markup languages, which are typesetting systems used to format text for display. These source files are stored with extensions such as 1, 2, etc., corresponding to their manual section. When accessed, the system processes these files to render readable output in the terminal. Some systems also support preformatted versions stored in a cat page format for faster access. Understanding the structure and format of man pages is essential for professionals managing Unix-based systems, as it enables effective navigation and utilization of system documentation.