1--- 2c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. 3SPDX-License-Identifier: curl 4Long: help 5Arg: <subject> 6Short: h 7Help: Get help for commands 8Category: important curl 9Added: 4.0 10Multi: custom 11See-also: 12 - verbose 13Example: 14 - --help all 15 - --help --insecure 16 - --help -f 17--- 18 19# `--help` 20 21Usage help. Provide help for the subject given as an optional argument. 22 23If no argument is provided, curl displays the most important command line 24arguments. 25 26The argument can either be a **category** or a **command line option**. When a 27category is provided, curl shows all command line options within the given 28category. Specify category `all` to list all available options. 29 30If `category` is specified, curl displays all available help categories. 31 32If the provided subject is instead an existing command line option, specified 33either in its short form with a single dash and a single letter, or in the 34long form with two dashes and a longer name, curl displays a help text for 35that option in the terminal. 36 37The help output is extensive for some options. 38 39If the provided command line option is not known, curl says so. 40
