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+# rbfu plugin
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+
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+This plugin starts [rbfu](https://github.com/hmans/rbfu), a minimal Ruby version
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+manager, and adds some useful functions.
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+
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+To use it, add `rbfu` to the plugins array in your zshrc file:
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+```zsh
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+plugins=(... rbfu)
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+```
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+
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+**Note: `rbfu` is deprecated and should no longer be used.**
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+
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+## Functions
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+
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+- `rbfu-rubies`: lists all installed rubies available to rbfu.
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+
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+- `rvm_prompt_info`: shows the Ruby version being used with rbfu.
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