From the top Installation (Official Guide)

Step 1

Download MzScheme - http://download.plt-scheme.org/mzscheme/v352.html

Step 2

Download Arc - http://ycombinator.com/arc/arc1.tar

Step 3

Install MzScheme

	
$chmod 777 mz-352-bin-i386-linux-ubuntu.sh 
$ ./mz-352-bin-i386-linux-ubuntu.sh
			

smorin@smorin-desktop-dell-linux:~/Desktop$ ./mz-352-bin-i386-linux-ubuntu.sh 
This program will extract and install MzScheme v352.

Note: the required diskspace for this installation is about 20M.

Do you want a Unix-style distribution?
  In this distribution mode files go into different directories according
  to Unix conventions.  A "plt-uninstall" script will be generated to
  make it possible to remove the installation.  If say 'no', the whole
  PLT directory is kept as a single (movable and erasbale) unit, possibly
  with external links into it.
*** Caution: this is an experimental feature.
Enter yes/no (default: no) > no

Where do you want to install the "mz" directory tree?
  1 - /usr/mz [default]
  2 - /usr/local/mz
  3 - $HOME/mz (/home/smorin/mz)
  4 - ./mz (here)
  Or enter a different directory to install in.
> 3

Checking the integrity of the binary archive... ok.
Unpacking into "/home/smorin/mz"... done.
Do you want to install new system links within the bin, lib, include,
  man, and doc subdirectories of "/home/smorin", possibly overriding
  existing links? n

All done.




			

Step 4

Install Arc

$tar xvf arc0.tar
			

Step 4

Start Arc using the command:
If your not in the arc dir it won't work.

$cd ~/
$cd arc0
smorin@smorin-desktop-dell-linux:~/arc0$ ~/mz/bin/mzscheme -m -f as.scm
Use (quit) to quit, (tl) to return here after an interrupt.
arc> 
				

If you ^C an Arc program, you'll get the Scheme REPL. Use (tl) to get back to the Arc REPL. Scheme Documentation

>(exit 0) /* comment will exit mzscheme */
				

Intro and Tutorial (Official Guide)