man man
FreeBSD-Linux
How do manual pages work
The default pager usually defaults to either the "less" or the "more" command.
# FreeBSD example output
man man
MAN(1) FreeBSD General Commands Manual MAN(1)
NAME
man – display online manual documentation pages
SYNOPSIS
man [-adho] [-t | -w] [-M manpath] [-P pager] [-S mansect]
[-m arch[:machine]] [-p [eprtv]] [mansect] page ...
man -K regexp ...
man -f keyword ...
man -k keyword ...
DESCRIPTION
The man utility finds and displays online manual documentation pages. If
mansect is provided, man restricts the search to the specific section of
the manual.
The sections of the manual are:
1. FreeBSD General Commands Manual
2. FreeBSD System Calls Manual
3. FreeBSD Library Functions Manual
4. FreeBSD Kernel Interfaces Manual
5. FreeBSD File Formats Manual
6. FreeBSD Games Manual
7. FreeBSD Miscellaneous Information Manual
8. FreeBSD System Manager's Manual
9. FreeBSD Kernel Developer's Manual
[...]