tldr/pages/common/rustup-toolchain.md

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# rustup toolchain
> Manage Rust toolchains.
> See `rustup help toolchain` for more information about toolchains.
> More information: <https://rust-lang.github.io/rustup>.
- Install or update a given toolchain:
`rustup install {{toolchain}}`
- Uninstall a toolchain:
`rustup uninstall {{toolchain}}`
- List installed toolchains:
`rustup list`
- Create a custom toolchain by symlinking to a directory:
`rustup link {{custom_toolchain_name}} {{path/to/directory}}`