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. This lists all curl command line options within the given 20**category**. 21 22If no argument is provided, curl displays only the most important command line 23arguments. 24 25For category **all**, curl displays help for all options. 26 27If **category** is specified, curl displays all available help categories. 28