diff --git a/config-manager/default.nix b/config-manager/default.nix
index 93822d1..69846d6 100644
--- a/config-manager/default.nix
+++ b/config-manager/default.nix
@@ -18,8 +18,10 @@ Usage:
   cm [flag]
 
 Flags:
-  --update    updates the flake
-  --switch    rebuilds + switches configuration (using 'nh')
+  --update                 updates the flake
+  --switch                 rebuilds + switches configuration (using 'nh')
+  --build-test-vm, --btvm  build test-vm
+  --run-test-vm, --rtvm    run test-vm
 EOF
         }
 
@@ -33,11 +35,23 @@ EOF
           ${nh}/bin/nh os switch --hostname ${nixosConfiguration} ${flakePath}
         }
 
+        build-test-vm() {
+          nixos-rebuild build-vm --flake ${flakePath}#test-vm
+        }
+
+        run-test-vm() {
+           ${flakePath}/result/bin/run-test-vm-vm
+        }
+
         case $1 in
           --update)
             update ;;
           --switch)
             switch ;;
+          --build-test-vm | --btvm)
+            build-test-vm ;;
+          --run-test-vm | --rtvm)
+            run-test-vm ;;
           --help | *)
             help ;;
         esac