diff --git a/internal/shell/coreutils.go b/internal/shell/coreutils.go
new file mode 100644
index 0000000000000000000000000000000000000000..ad5401d5f98b2f51dcc8b38da357a70e085703c6
--- /dev/null
+++ b/internal/shell/coreutils.go
@@ -0,0 +1,19 @@
+package shell
+
+import (
+	"os"
+	"runtime"
+	"strconv"
+)
+
+var useGoCoreUtils bool
+
+func init() {
+	// If CRUSH_CORE_UTILS is set to either true or false, respect that.
+	// By default, enable on Windows only.
+	if v, err := strconv.ParseBool(os.Getenv("CRUSH_CORE_UTILS")); err == nil {
+		useGoCoreUtils = v
+	} else {
+		useGoCoreUtils = runtime.GOOS == "windows"
+	}
+}
diff --git a/internal/shell/shell.go b/internal/shell/shell.go
index 5a10be9537714162e4d5ed25360b42690395793f..ea2ab1c219fc69362602acdc83cc83db79212388 100644
--- a/internal/shell/shell.go
+++ b/internal/shell/shell.go
@@ -241,7 +241,7 @@ func (s *Shell) execPOSIX(ctx context.Context, command string) (string, string,
 		interp.Interactive(false),
 		interp.Env(expand.ListEnviron(s.env...)),
 		interp.Dir(s.cwd),
-		interp.ExecHandlers(s.blockHandler(), coreutils.ExecHandler),
+		interp.ExecHandlers(s.execHandlers()...),
 	)
 	if err != nil {
 		return "", "", fmt.Errorf("could not run command: %w", err)
@@ -257,6 +257,16 @@ func (s *Shell) execPOSIX(ctx context.Context, command string) (string, string,
 	return stdout.String(), stderr.String(), err
 }
 
+func (s *Shell) execHandlers() []func(next interp.ExecHandlerFunc) interp.ExecHandlerFunc {
+	handlers := []func(next interp.ExecHandlerFunc) interp.ExecHandlerFunc{
+		s.blockHandler(),
+	}
+	if useGoCoreUtils {
+		handlers = append(handlers, coreutils.ExecHandler)
+	}
+	return handlers
+}
+
 // IsInterrupt checks if an error is due to interruption
 func IsInterrupt(err error) bool {
 	return errors.Is(err, context.Canceled) ||