= Help built-in
:encoding: UTF-8
:lang: en
//:title: Yash manual - Help built-in

The dfn:[help built-in] prints usage of built-ins.

[[syntax]]
== Syntax

- +help [{{built-in}}...]+

[[description]]
== Description

The help built-in prints a description of {{built-in}}s.

[[operands]]
== Operands

{{built-in}}s::
Names of link:builtin.html[built-ins].

[[exitstatus]]
== Exit status

The exit status of the help built-in is zero unless there is any error.

[[notes]]
== Notes

The help built-in is a link:builtin.html#types[semi-special built-in]. In the
POSIX standard, it is defined as a command with unspecified behavior.

Many built-ins of yash accept the +--help+ option that prints the same
description.

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