diff --git a/os.js b/os.js
new file mode 100644
index 0000000..54b9195
--- /dev/null
+++ b/os.js
@@ -0,0 +1,22 @@
+const os = require('os');
+
+//to know system architecture
+console.log(os.arch());
+
+//to know RAM info
+console.log(os.freemem());
+
+//to convert this free memory in gb:-
+console.log(os.freemem()/(1024*1024*1024));
+
+// to know the total space/memory of RAM
+console.log(os.totalmem()/(1024*1024*1024));
+
+//to know pc name/host name
+console.log(os.hostname());
+
+// to know the plateform/os
+console.log(os.platform());
+
+//to know user info
+console.log(os.userInfo());
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