intro

intro - introduction to user commands

intro is an introductory man page present in each section of the manual. Section 1 describes user commands and tools, including file manipulation tools, shells, compilers, web browsers, editors, and other programs that users commonly invoke from the command line.Each manual section has its own intro page providing an overview of the section's scope:- 1 - User commands and programs- 2 - System calls (kernel interfaces)- 3 - Library functions (C library routines)- 4 - Special files (devices in /dev)- 5 - File formats and conventions- 6 - Games and screensavers- 7 - Miscellaneous (protocols, conventions, character sets)- 8 - System administration commands

Read-only documentation. Content varies by distribution. Part of the man-pages package on Linux.

intro pages have been part of Unix documentation since the earliest versions, providing orientation for each manual section. The convention of numbered sections dates back to the original Unix Programmer's Manual from 1971.

man(1), apropos(1), whatis(1), manpath(1)