# Display Option Information

To display a list of all available compiler options, specify option help on the command line.

To display functional groupings of compiler options, specify a functional category for option help. For example, to display a list of options that affect diagnostic messages, enter one of the following commands:

Linux and macOS

    -help diagnostics

Windows

    /help diagnostics

For details on other categories you can specify, see help.

Parent topic: Compiler Options