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