1--- 2c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. 3SPDX-License-Identifier: curl 4Long: help 5Arg: <category> 6Short: h 7Help: Get help for commands 8Category: important curl 9Added: 4.0 10Multi: custom 11See-also: 12 - verbose 13Example: 14 - --help all 15--- 16 17# `--help` 18 19Usage help. List all curl command line options within the given **category**. 20 21If no argument is provided, curl displays the most important command line 22arguments. 23 24For category **all**, curl displays help for all options. 25 26If **category** is specified, curl displays all available help categories. 27