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After unpacking the zip file, os2.zip, you will have these directories containing the following files:
Perform the following steps to install Scheme:
Depending on your needs, you may want to keep only one of these files; chances are you'll only be using one of them. Of course, you may also keep both programs around if you think you might use them both. See Memory Usage, for more information about the tradeoffs between these two programs.
For example, if you decide to store the directory as c:\schdata, you would add the following to config.sys:
SET MITSCHEME_LIBRARY_PATH=C:\SCHDATA
(Remember that you must reboot OS/2 after editing config.sys in order for the changes to take effect.)
You can override the setting of this environment variable with the --library command-line option to Scheme, for example:
scheme --library d:\myscm\mylib
If you supply a --library option, it is not necessary to have the environment variable defined. For example, instead of editing config.sys, you might create a .cmd file to invoke Scheme and pass it the --library option automatically.