adding comment

command line.js

@@ -1,3 +1,11 @@
 const fs = require('fs');
 var input = process.argv;
-fs.writeFileSync(input[2] , input[3]); 
+fs.writeFileSync(input[2] , input[3]); 
+
+
+
+
+// in terminal write file_name from where we are creating new file as follows
+// node '.\command line.js' apple.txt 'this is fruit'
+
+// And this will create a new file with name apple.txt and data inside it "this is fruit"