rustup which
all
Display which binary will be run for a command managed by `rustup`. Like `which`, but searches a Rust toolchain instead of `$PATH`.
More info →Examples (2)
Display the path to the binary in the default toolchain
Display the path to the binary in the specified toolchain (see `rustup help toolchain` for more information)
rustup which --toolchain toolchain commandmade by @shridhargupta | data from tldr-pages