compatibility. In most cases, you will
be better served by using the <b>/run</b> option.

<h4>Specifying the Version of the CLR</h4>

<p>Most applications are written to run under a specific version of the CLR.
A few are designed to operate correctly under multiple versions. In either case,
it is important to be able to specify the CLR version to be used for testing.</p>

<p>When only one version of the CLR is used, the config files for nunit-gui and
nunit-console may be set up to specify that version. As a