diff --git a/.eslintrc.js b/.eslintrc.js
index 664f4417f..04c1c8b70 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -1,7 +1,7 @@
 module.exports = {
   'env': {
     'commonjs': true,
-    'es2022': true,
+    'es2021': true,
     'node': true
   },
   'extends': 'eslint:recommended',
diff --git a/01-read-file/index.js b/01-read-file/index.js
index e69de29bb..56542a3c3 100644
--- a/01-read-file/index.js
+++ b/01-read-file/index.js
@@ -0,0 +1,17 @@
+const fs = require('fs');
+const path = require('path');
+  
+const readFile = () => {
+  const filePath = path.join(__dirname, './text.txt'); 
+  const fileStream = fs.createReadStream(filePath, { encoding: 'utf8' });
+
+  logChunks(fileStream);
+};
+
+async function logChunks(readable) {
+  for await (const chunk of readable) {
+    console.log(chunk);
+  }
+}
+  
+readFile();
\ No newline at end of file
diff --git a/02-write-file/index.js b/02-write-file/index.js
index e69de29bb..681216818 100644
--- a/02-write-file/index.js
+++ b/02-write-file/index.js
@@ -0,0 +1,25 @@
+const fs = require('fs');
+const path = require('path');
+
+const writeFile = () => {
+  const filePath = path.join(__dirname, './text.txt');
+
+  const file = fs.createWriteStream(filePath, { flags: 'a' });
+
+  process.stdin.on('data', (data) => { 
+    if (data.toString().trim() === 'exit') {
+      console.log('Bye...'); 
+      process.exit();
+    }
+    file.write(data);
+  });
+
+  process.on('SIGINT', () => {
+    console.log('\n');
+    console.log('Bye...');
+    process.exit(); 
+  }); 
+};
+
+writeFile();
+  
\ No newline at end of file