tldr/pages/common/rustup-which.md

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# rustup which
> Display which binary will be run for a command managed by `rustup`.
> Like `which`, but searches a Rust toolchain instead of `$PATH`.
> More information: <https://rust-lang.github.io/rustup>.
- Display the path to the binary in the default toolchain:
`rustup which {{command}}`
- Display the path to the binary in the specified toolchain (see `rustup help toolchain` for more information):
`rustup which --toolchain {{toolchain}} {{command}}`