intro(5) — Macro Packages and Conventions
NAME
intro − Introduction to miscellaneous reference pages
DESCRIPTION
This section contains miscellaneous documentation, mostly in the area of text-processing macro packages for nroff and other ∗roff commands.
Some reference pages in this section may contain suffixes to allow their files to exist with those of other reference pages having the same base name and section number. When used, suffixes are made up of one to four letters. See the man(1) reference page for more information on suffixes.