Install a lisp implementation such as [SBCL](http://www.sbcl.org/)
or [CLisp](http://clisp.org/). Both can be installed via Homebrew on
Mac OS X.

```bash
brew install sbcl
# or
brew install clisp
```

See their homepages for instructions for installing on other
platforms.

We will use [QuickLisp](http://www.quicklisp.org/beta/#installation) for Lisp library management. To install QuickLisp: 

```bash
curl -O http://beta.quicklisp.org/quicklisp.lisp
```

Now launch lisp, and copy-paste the following expressions to finish QuickLisp installation:

```lisp
> (quicklisp-quickstart:install)  ;; this will install quicklisp
> (ql:add-to-init-file)           ;; this will add quicklisp setup to your init file (recommended)
```

See the documentation of your lisp implementation on how to load quicklisp.lisp into lisp.

Optionally load lisp-unit:

```lisp
(ql:quickload "lisp-unit")
```

This will be done the first time you run any exercises tests. But you
can do it now if you want.

Install a lisp implementation such as [SBCL](http://www.sbcl.org/)
or [CLisp](http://clisp.org/). Both can be installed via Homebrew on
Mac OS X.

```bash
brew install sbcl
# or
brew install clisp
```

See their homepages for instructions for installing on other
platforms.

We will use [QuickLisp](http://www.quicklisp.org/beta/#installation) for Lisp library management. To install QuickLisp: 

```bash
curl -O http://beta.quicklisp.org/quicklisp.lisp
```

Now launch lisp, and copy-paste the following expressions to finish QuickLisp installation:

```lisp
> (load "quicklisp.lisp")         ;; this will load the downloaded lisp file
> (quicklisp-quickstart:install)  ;; this will install quicklisp
> (ql:add-to-init-file)           ;; this will add quicklisp setup to your init file (recommended)
```

See the documentation of your lisp implementation on how to load quicklisp.lisp into lisp.

Optionally load lisp-unit:

```lisp
(ql:quickload "lisp-unit")
```

This will be done the first time you run any exercises tests. But you
can do it now if you want.

Add the file loading line necessary to install Quicklisp
Add the file loading line necessary to install Quicklisp

Without this line, lisp do not know `quicklisp-quickstart` name and raise an error.
Tested on clisp 2.49.