获取C#运行配置信息

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
  
namespace task
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("OS version:"+Environment.OSVersion.ToString()); //get OS information
            Console.WriteLine(".NET version: "+Environment.Version.ToString()); //get net framework version
            Console.WriteLine("CurrentDirectory: "+Environment.CurrentDirectory.ToString()); //get current directory
            String[] drives = Environment.GetLogicalDrives();                             //get all drivers into a string array
            Console.WriteLine("GetLogicalDrives: {0}", String.Join(", ", drives));      //print all logical drivers
             
            Console.WriteLine("Login User:" + Environment.UserName.ToString());           //get login name
            Console.WriteLine("Memory: " + Environment.WorkingSet.ToString());            //used memory
            Console.WriteLine("ProcesserCount: " + Environment.ProcessorCount.ToString()); //get processor number
            Console.WriteLine("Domainname: " + Environment.UserDomainName.ToString());            //get domaim name
            System.Collections.IDictionary dict = Environment.GetEnvironmentVariables();    //get environtment variables
            string str = dict["Path"].ToString();
             
            Console.WriteLine("PATH"+str);
            Environment.SetEnvironmentVariable("Path", "Test");           //set path
            Console.ReadLine();
        }
    }
}