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# Description I have just discovered the `std/help` command and that it can use `man` or other programs for externals. Coming from windows, I don't have `man` so what I want is just to run `external_program --help` in most cases. This pr adds that option, if you set `$env.NU_HELPER = "--help"`, it will run the command you passed with `--help` added as the last argument.  # User-Facing Changes None # Tests + Formatting # After Submitting
Nushell core libraries and plugins
These sub-crates form both the foundation for Nu and a set of plugins which extend Nu with additional functionality.
Foundational libraries are split into two kinds of crates:
- Core crates - those crates that work together to build the Nushell language engine
- Support crates - a set of crates that support the engine with additional features like JSON support, ANSI support, and more.
Plugins are likewise also split into two types:
- Core plugins - plugins that provide part of the default experience of Nu, including access to the system properties, processes, and web-connectivity features.
- Extra plugins - these plugins run a wide range of different capabilities like working with different file types, charting, viewing binary data, and more.