rustup help — Display help on `rustup` and its subcommands. More information: <https://rust-lang.github.io/rustup/

How to use the rustup help command: Display help on rustup and its subcommands. More information: <https://rust-lang.github.io/rustup/>.

rustup help — Display help on rustup and its subcommands. More information: <https://rust-lang.github.io/rustup/>.

Display help:

rustup help

Display help for a subcommand:

rustup help {{subcommand}}

tldr-pages: common/rustup help