# hg help

## show help for a given topic or a help overview

Contents

- Synopsis
- Description
- Options

# Synopsis

    hg help [-eck] [-s PLATFORM] [TOPIC]

# Description

With no arguments, print a list of commands with short help messages.

Given a topic, extension, or command name, print help for that topic.

Returns 0 if successful.

# Options

`-e, --extension`
| show only help for extensions
`-c, --command` | show only help for commands
`-k, --keyword` | show topics matching keyword
`-s, --system <PLATFORM[+]>`
| show help for specific platform(s)

[+] marked option can be specified multiple times