diff --git a/src/plugin_directory_navigation.cpp b/src/plugin_directory_navigation.cpp
index 3eec84d..ad98578 100644
--- a/src/plugin_directory_navigation.cpp
+++ b/src/plugin_directory_navigation.cpp
@@ -8,6 +8,16 @@ void CMD_OpenUpFolder() {
     Open(name);
 } RegisterCommand(CMD_OpenUpFolder, "ctrl-o", "Open current's file directory or up directory in other cases");
 
+void CMD_OpenSystemFileBrowser() {
+    Scratch scratch;
+    String string = GetPrimaryDirectory();
+#if OS_WINDOWS
+    Open(Format(scratch, "!!explorer %S", string));
+#else
+    Open(Format(scratch, "!!xdg-open %S & disown", string));
+#endif
+} RegisterCommand(CMD_OpenSystemFileBrowser, "ctrl-alt-r", "Opens the directory of current file in the systems file browser");
+
 void InsertDirectoryNavigation(Buffer *buffer) {
     Assert(buffer->is_dir);
     Scratch scratch;