rustup

Check for updates to Rust toolchains and `rustup`.

Generate shell completions for `rustup` and `cargo`.

Modify a toolchain's installed components. Without the `--toolchain` option `rustup` will use the default toolchain. See `rustup help toolchain` for more information about toolchains.

Set the default Rust toolchain.

Open the offline Rust documentation for the current toolchain. There are a lot more documentation pages not mentioned here. See `rustup help doc` for more information.

Display help on `rustup` and its subcommands.

This command is an alias of `rustup toolchain install`.

View the man page for a command managed by `rustup`.

Modify directory toolchain overrides. See `rustup help toolchain` for more information about toolchains.

Run a command with an environment configured for a Rust toolchain. Note: All commands managed by `rustup` have a shorthand for this: for example, `cargo +nightly build` is equivalent to `rustup run nightly cargo build`.

Modify the `rustup` installation.

Alter `rustup` settings.

Show installed toolchains, targets, and the version of `rustc`.

Modify a toolchain's supported targets. Without the `--toolchain` option `rustup` will use the default toolchain. See `rustup help toolchain` for more information about toolchains.

Manage Rust toolchains. See `rustup help toolchain` for more information about toolchains.

This command is an alias of `rustup toolchain uninstall`.

Update Rust toolchains and `rustup` itself (if not installed using a package manager).

Display which binary will be run for a command managed by `rustup`. Like `which`, but searches a Rust toolchain instead of `$PATH`.