How to use –h or –help? Launch the terminal by pressing Ctrl+ Alt+ T or just click on the terminal icon in the taskbar. Simply type your command whose usage you to know in the terminal with –h or –help after a space and press enter. And you’ll get the complete usage of that command as shown below.

What is the Linux command that displays command help?

5 Methods to Get Quick Help on Linux Commands

• Using apropos to search man pages. Use apropos to search man pages for available Unix commands on a specific functionality. …
• Read man page of the command. …
• Display Single Line Description About a Unix Command. …
• Use -h or –help option of the command itself. …
• Read Info Documents using Unix info Command.

2 нояб. 2009 г.

What is help command?

The help command is a Command Prompt command that’s used to provide more information on another command. You can use the help command at any time to learn more about a command’s usage and syntax, like which options are available and how to actually structure the command to use its various options.