using System;
using System.IO;
class MainClass {
static void Main(string[] args) {
FileInfo file = new FileInfo("c:\\a.txt");
// Display drive information.
DriveInfo drv = new DriveInfo(file.FullName);
Console.Write("Drive: ");
Console.WriteLine(drv.Name);
if (drv.IsReady) {
Console.Write("Drive free space: ");
Console.WriteLine(drv.AvailableFreeSpace.ToString());
}
}
}