diff --git a/dev.py b/dev.py
index 7ed720a134..f09192f7be 100644
--- a/dev.py
+++ b/dev.py
@@ -203,6 +203,7 @@ def __init__(self) -> None:
         self.deps["all"] = set()
         for k in self.deps.values():
             self.deps["all"] |= k
+        self.deps["install"] = self.deps["build"]
 
     def cmd_build(self):
         wheel_dir = self.args.get("wheel", DIST_DIR)
@@ -275,6 +276,8 @@ def cmd_build(self):
             pprint(f"Installing in editable mode ({info_str})")
             pip_install(self.py, install_args)
 
+    cmd_install = cmd_build
+
     def cmd_docs(self):
         full = self.args.get("full", False)
 
@@ -355,7 +358,9 @@ def parse_args(self):
         )
 
         # Build command
-        build_parser = subparsers.add_parser("build", help="Build the project")
+        build_parser = subparsers.add_parser(
+            "build", help="Build and install the project", aliases=["install"]
+        )
         build_parser.add_argument(
             "--wheel",
             nargs="?",
@@ -445,13 +450,20 @@ def parse_args(self):
         subparsers.add_parser("format", help="Format code")
 
         # All command
-        subparsers.add_parser(
+        all_parser = subparsers.add_parser(
             "all",
             help=(
                 "Run all the subcommands. This is handy for checking that your work is "
                 "ready to be submitted"
             ),
         )
+        all_parser.add_argument(
+            "mod",
+            nargs="*",
+            help=(
+                "Name(s) of sub-module(s) to test. If no args are given all are tested"
+            ),
+        )
 
         args = parser.parse_args()
         self.args = vars(args)