diff --git a/3-getting-started/3-process/1-custom-env-variables.js b/3-getting-started/3-process/1-custom-env-variables.js
new file mode 100644
index 0000000..3cdd83a
--- /dev/null
+++ b/3-getting-started/3-process/1-custom-env-variables.js
@@ -0,0 +1,6 @@
+console.log('Current user is', process.env.USER);
+
+console.log('\nScript executed with:');
+
+console.log('VAL1 equal to:', process.env.VAL1);
+console.log('VAL2 equal to:', process.env.VAL2);
diff --git a/3-getting-started/3-process/2-stdio-streams.js b/3-getting-started/3-process/2-stdio-streams.js
new file mode 100644
index 0000000..fae226a
--- /dev/null
+++ b/3-getting-started/3-process/2-stdio-streams.js
@@ -0,0 +1,6 @@
+process.stdin.on('readable', () => {
+  const chunk = process.stdin.read();
+  if (chunk !== null) {
+    process.stdout.write(chunk);
+  }
+});
diff --git a/3-getting-started/3-process/3-process-exit.js b/3-getting-started/3-process/3-process-exit.js
new file mode 100644
index 0000000..1996c44
--- /dev/null
+++ b/3-getting-started/3-process/3-process-exit.js
@@ -0,0 +1,7 @@
+setTimeout(() => process.exit(), 2000);
+
+process.on('exit', () => {
+  console.log('Process will exit now. See you later!');
+});
+
+console.log('Hello!');