`vagrant halt`

lib/vagrant/command/destroy.rb

@@ -1,7 +1,7 @@
 module Vagrant
   module Command
     class DestroyCommand < Base
-      desc "Destroy the environment, deleting the created virtual machines."
+      desc "Destroy the environment, deleting the created virtual machines"
       register "destroy"
 
       def execute

lib/vagrant/command/halt.rb

@@ -0,0 +1,19 @@
+module Vagrant
+  module Command
+    class HaltCommand < Base
+      desc "Halt the running VMs in the environment"
+      class_option :force, :type => :boolean, :default => false, :aliases => "-f"
+      register "halt"
+
+      def execute
+        target_vms.each do |vm|
+          if vm.created?
+            vm.halt(options)
+          else
+            vm.env.ui.info "VM not created. Moving on..."
+          end
+        end
+      end
+    end
+  end
+end