The UNIX Programmers Manual (man pages) describes what you need to know about the system's on-line commands, system calls, file formats and system maintenance . The on-line pages are a part of the Linux environment.

Use the man command to display on-line manual pages for Linux commands.

Command Format

man command

or

man -k keyword

Example

$ man more

MORE(1) UNIX Reference Manual MORE(1)

Name

more - file perusal filter for crt viewing

SYNOPSIS

more [-dlfpcsu] [-num] [+/ pattern]
[+ linenum] [file ...]

DESCRIPTION

More is a filter for paging through text one screenful at a time. This version is especially primitive. Users should realize that less (1) pro­ vides more (1) emulation and extensive enhancements.

OPTIONS

Command line options are described below. Options are also taken from the environment variable MORE (make sure to precede them with a dash (`` - '' ) ) but command line options will override them. -num This option specifies an integer which is the screen size (in lines).

In the example above, the user displays help information about the more command.