diff --git a/src/main.zig b/src/main.zig
index af7e8f1..317746f 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -109,19 +109,29 @@ fn mathTest(rand: Random, limit: i32, iteration: u32) !bool {
     };
 }
 
-const BuiltinCommand = *const fn (*ShellState, [][]const u8) anyerror!void;
+const BuiltinCommand = *const fn (*ShellState, [][]const u8, Allocator) anyerror!void;
 
-fn exitFn(shell_state: *ShellState, command: [][]const u8) !void {
+fn exitFn(shell_state: *ShellState, command: [][]const u8, allocator: Allocator) !void {
     _ = command;
+    _ = allocator;
     shell_state.*.should_exit = true;
 }
 
+fn nomorenumbersFn(shell_state: *ShellState, command: [][]const u8, allocator: Allocator) !void {
+    shell_state.*.should_test = false;
+    if (command.len > 1) {
+        _ = runCommand(command[1..], allocator) catch |err| {
+            return err;
+        };
+    }
+}
+
 fn execCommand(command: [][]const u8, shell_state: *ShellState, allocator: Allocator) !u8 {
-    const builtins = comptime .{.{ "exit", exitFn }};
+    const builtins = comptime .{ .{ "exit", exitFn }, .{ "nomorenumbers", nomorenumbersFn } };
     const builtinMap = StaticStringMap(BuiltinCommand).initComptime(builtins);
 
     if (builtinMap.has(command[0])) {
-        try builtinMap.get(command[0]).?(shell_state, command);
+        try builtinMap.get(command[0]).?(shell_state, command, allocator);
         return 0;
     } else {
         return runCommand(command, allocator);