tutorial2.js

// const fs = require('fs')

// var text = fs.readFileSync("yash.txt", "utf-8"); 

// text = text.replace("Entirely", "Completely"); 

// console.log("The content of the file mentioned is.....")
// console.log(text); 

// fs.writeFileSync("yash.txt", "Mera Nick Name Yashu Hai\n"); 
// Creating a new File by name mathur.txt.

// fs.appendFileSync('yash.txt', "Main Ek Bohot Badi Software Company Khol Ke Rahunga whicj will worth multi billion dollars")

// const http = require("http"); 

// const hostname = "127.0.0.1"; 

// const portname = 4000; 

// const server = http.createServer((req, res)=> {
//     res.statusCode = 200;
//     res.setHeader("Content-Type", "text/plain");   
//     res.end(text) ;
// })

// server.listen(portname, hostname, () => {
//     console.log(`Server running at http://${hostname}:${portname}/`);
//   });