diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 000000000..1cc188d4f
Binary files /dev/null and b/.DS_Store differ
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/.DS_Store b/01-read-file/.DS_Store
new file mode 100644
index 000000000..9b895f663
Binary files /dev/null and b/01-read-file/.DS_Store differ
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/01-read-file/text.txt b/01-read-file/text.txt
index 536528ae3..1a0c71c61 100644
--- a/01-read-file/text.txt
+++ b/01-read-file/text.txt
@@ -1 +1 @@
-Нет хуже причины для выбора имени с, чем та, что имена a и b уже заняты.
+Нет хуже причины для выбора имени с, чем та, что имена a и b уже заняты.
\ No newline at end of file
diff --git a/02-write-file/index.js b/02-write-file/index.js
index e69de29bb..037a2c35f 100644
--- a/02-write-file/index.js
+++ b/02-write-file/index.js
@@ -0,0 +1,28 @@
+const fs = require('fs');
+const path = require('path');
+
+const writeFile = () => {
+  const filePath = path.join(__dirname, './text.txt');
+
+  const ctaPhrase = 'Hello!';
+  console.log(ctaPhrase);
+
+  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
diff --git a/02-write-file/text.txt b/02-write-file/text.txt
new file mode 100644
index 000000000..3c77f5946
--- /dev/null
+++ b/02-write-file/text.txt
@@ -0,0 +1 @@
+jj]
diff --git a/03-files-in-folder/index.js b/03-files-in-folder/index.js
index e69de29bb..a1938cfcf 100644
--- a/03-files-in-folder/index.js
+++ b/03-files-in-folder/index.js
@@ -0,0 +1,11 @@
+const fs = require('fs');
+const path = require('path');
+
+fs.readdir(path.join(__dirname, './secret-folder'), (err, files) => {
+
+  console.log(1, err);
+  fs.stat(path.join(__dirname, './secret-folder'), (err, result) => {
+  });
+  //   const result = path.extname(path.join(__dirname, './secret-folder.jps'));
+  console.log(2, result);
+});
\ No newline at end of file