text: const fs = require("fs");
  
  // Create dir sync
  // fs.mkdirSync("FileSystem");
  
  // Remove dir sync
  // fs.rmdirSync("FileSystem");
  
  
  
  // Async
  // fs.mkdir("Folder", function(){
  //     fs.readFile("README.md", "utf8", function(err, data){
  //         fs.writeFile("./Folder/writeMe.txt", data, function(err, done){
  //             if(err){
  //                 console.log("Error in creating new file", err)
  //             } return console.log('Success in creating new file');
  //         });
  //     });
  // });
  
  
  // Remove file and directory
  fs.unlink('./Folder/writeMe.txt', function(err, data){
      fs.rmdir("Folder", data, function(err, done){
          if(err){
              console.log("Error in remove folder", done)
          } return console.log('Success in delete folder');
      });
  });
  
  