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# Cheat Sheet

## Gem $PATH

```
echo 'export PATH="$(gem env home)/bin":$PATH' >> ~/.zshrc
```

## rvm

Install rvm.

```
command curl -sSL https://rvm.io/pkuczynski.asc | gpg2 --import -
curl -L get.rvm.io | bash -s stable
```

Edit `.bashrc` and add.

```
[[ -s "$HOME/.rvm/scripts/rvm" ]] && source "$HOME/.rvm/scripts/rvm"
```

Install ruby.

```
rvm list known
rvm install ruby-3.1.0
rvm use ruby-3.1.0 --install --default --create
```

\~


---

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