diff --git a/Readme.md b/Readme.md
index 611a505f49..1d0b8c462f 100644
--- a/Readme.md
+++ b/Readme.md
@@ -1,3 +1 @@
-# Node.js basics
-
-## !!! Please don't submit Pull Requests to this repository !!!
+# Solution branch
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000000..34b7366dcf
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,17 @@
+{
+  "name": "node-nodejs-basics",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "node-nodejs-basics",
+      "version": "1.0.0",
+      "license": "ISC",
+      "engines": {
+        "node": ">=24.10.0",
+        "npm": ">=10.9.2"
+      }
+    }
+  }
+}
diff --git a/src/cli/args.js b/src/cli/args.js
index 9e3622f791..cac869c79e 100644
--- a/src/cli/args.js
+++ b/src/cli/args.js
@@ -1,5 +1,12 @@
 const parseArgs = () => {
-  // Write your code here
+  let result = [];
+
+  process.argv.forEach((arg, index, arr) => {
+    if(arg.includes('--')){
+      result.push(`${arg} is ${arr[++index]}`)
+    }
+  })
+  console.log(result.join(', '))
 };
 
 parseArgs();
diff --git a/src/cli/env.js b/src/cli/env.js
index e3616dc8e7..5e6eff17a9 100644
--- a/src/cli/env.js
+++ b/src/cli/env.js
@@ -1,5 +1,13 @@
 const parseEnv = () => {
-  // Write your code here
+  const result = Object.entries(process.env).reduce((acc, curr) => {
+    if (curr[0].includes("RSS_")){
+      const envVal = `${curr[0]}=${curr[1]}`;
+      return [...acc, envVal];
+    } 
+    return acc;
+  }, [])
+  
+  console.log(result.join('; '))
 };
 
 parseEnv();
diff --git a/src/fs/copy.js b/src/fs/copy.js
index e226075b4c..b5bf69b531 100644
--- a/src/fs/copy.js
+++ b/src/fs/copy.js
@@ -1,5 +1,5 @@
 const copy = async () => {
-  // Write your code here
+  
 };
 
 await copy();
diff --git a/src/fs/create.js b/src/fs/create.js
index 6ede285599..3bb3193b7c 100644
--- a/src/fs/create.js
+++ b/src/fs/create.js
@@ -1,5 +1,20 @@
+import * as fs from "node:fs";
+
 const create = async () => {
-  // Write your code here
+  const content = 'I am fresh and young';
+
+  fs.readFile('./src/fs/files/fresh.txt', (err, data) => {
+    if (!err && data) {
+      throw new Error('FS operation failed')
+    }
+  });
+
+  fs.writeFile('./src/fs/files/fresh.txt', content, err => {
+    if(err){
+      console.error(err)
+      throw new Error('FS operation failed')
+    }
+  });
 };
 
 await create();
diff --git a/src/fs/files/fresh.txt b/src/fs/files/fresh.txt
new file mode 100644
index 0000000000..205d704cb7
--- /dev/null
+++ b/src/fs/files/fresh.txt
@@ -0,0 +1 @@
+I am fresh and young
\ No newline at end of file