diff --git a/tools/eaglemode/commands/B.nix b/tools/eaglemode/commands/B.nix
new file mode 100644
index 000000000..bca3d3a87
--- /dev/null
+++ b/tools/eaglemode/commands/B.nix
@@ -0,0 +1,23 @@
+{ depot, pkgs, ... }:
+
+let
+  em = depot.tools.eaglemode;
+in
+em.mkCommand {
+  name = "9 B";
+  hotkey = "Ctrl+E";
+  icon = "${./plan9.tga}";
+
+  description = ''
+    Plumb target to Sam or Acme
+  '';
+
+  code = ''
+    ErrorIfNotSingleTarget();
+
+    my @tgt=GetTgt();
+    my $dir=$tgt[0];
+
+    ExecOrError('${pkgs.plan9port}/bin/9', 'B', $dir);
+  '';
+}
diff --git a/tools/eaglemode/commands/plan9.tga b/tools/eaglemode/commands/plan9.tga
new file mode 100644
index 000000000..55d002221
Binary files /dev/null and b/tools/eaglemode/commands/plan9.tga differ
diff --git a/users/emery/eaglemode/default.nix b/users/emery/eaglemode/default.nix
new file mode 100644
index 000000000..c4b51a4e7
--- /dev/null
+++ b/users/emery/eaglemode/default.nix
@@ -0,0 +1,11 @@
+# Derivation for my fully configured Eagle Mode.
+{ depot, ... }:
+
+let
+  config = depot.tools.eaglemode.etcDir {
+    extraPaths = [ depot.tools.eaglemode.commands.B ];
+  };
+in
+depot.tools.eaglemode.withConfig {
+  inherit config;
+}