How to use the command 'rustup man' (with examples)

The rustup man command allows you to view the manual (man) page for a given command managed by rustup. This can be useful for learning more about the command and its options, as well as for reference purposes.

Use case 1: View the man page for a given command from the default toolchain

Code:

rustup man command

Motivation:

You would use this example when you want to view the manual page for a command managed by rustup from the default toolchain. This is useful if you want to quickly look up the usage and options of a command without having to exit your terminal.

Explanation:

• rustup man is the command to view the man page.
• command is the name of the command you want to view the man page for.

Example output:

When running rustup man rustc, you would see the manual page for the rustc command from the default toolchain.

Use case 2: View the man page for a given command from the specified toolchain

Code:

rustup man --toolchain command

Motivation:

You would use this example when you want to view the manual page for a command from a specific toolchain managed by rustup. This is useful if you have multiple installations of Rust on your system and want to view the man page for a command from a specific version.

Explanation:

• rustup man is the command to view the man page.
• --toolchain is an optional flag to specify the toolchain.
• command is the name of the command you want to view the man page for.

Example output:

When running rustup man --toolchain nightly clippy, you would see the manual page for the clippy command from the nightly toolchain.

Conclusion:

The rustup man command is a handy tool for viewing the manual page of a command managed by rustup. It allows you to quickly access information about the usage and options of a command, either from the default toolchain or from a specified toolchain. This can be useful for both learning about Rust commands and for reference purposes.