Command line programming not default, enable by reading quickstart and comments in Vagrantfile

Vagrantfile

@@ -30,13 +30,15 @@ Vagrant.configure(2) do |config|
   config.vm.provider "virtualbox" do |vb|
     # Hide the VirtualBox GUI when booting the machine
     vb.gui = false
-    vb.customize ['modifyvm', :id, '--usb', 'on']
-    vb.customize ['usbfilter', 'add', '0',
-		  '--target', :id,
-		  '--name', 'teensy',
-		  '--vendorid', '0x16c0',
-		  '--productid','0x0478'
-    		 ] 
+    # Uncomment the below lines if you want to program
+    # your Teensy via the VM rather than your host OS
+    #vb.customize ['modifyvm', :id, '--usb', 'on']
+    #vb.customize ['usbfilter', 'add', '0',
+    #    	  '--target', :id,
+    #    	  '--name', 'teensy',
+    #    	  '--vendorid', '0x16c0',
+    #    	  '--productid','0x0478'
+    #		 ] 
     # Customize the amount of memory on the VM:
     vb.memory = "512"
   end