diff --git a/Applications/SystemDialog/Makefile b/Applications/SystemDialog/Makefile
new file mode 100755
index 0000000000..1bd260a73f
--- /dev/null
+++ b/Applications/SystemDialog/Makefile
@@ -0,0 +1,8 @@
+include ../../Makefile.common
+
+OBJS = \
+    main.o
+
+APP = SystemDialog
+
+include ../Makefile.common
diff --git a/Applications/SystemDialog/main.cpp b/Applications/SystemDialog/main.cpp
new file mode 100644
index 0000000000..f5adbb09c0
--- /dev/null
+++ b/Applications/SystemDialog/main.cpp
@@ -0,0 +1,49 @@
+#include <LibGUI/GApplication.h>
+#include <LibGUI/GBoxLayout.h>
+#include <LibGUI/GButton.h>
+#include <LibGUI/GDesktop.h>
+#include <LibGUI/GLabel.h>
+#include <LibGUI/GMessageBox.h>
+#include <LibGUI/GWindow.h>
+#include <stdio.h>
+#include <sys/utsname.h>
+
+static int run_shutdown_dialog(int argc, char** argv);
+
+int main(int argc, char** argv)
+{
+    if (argc != 2) {
+        printf("usage: SystemDialog <type>\n");
+        return 0;
+    }
+
+    if (String(argv[1]) == "--shutdown")
+        return run_shutdown_dialog(argc, argv);
+
+    fprintf(stderr, "Unknown argument: %s\n", argv[1]);
+    return 1;
+}
+
+int run_shutdown_dialog(int argc, char** argv)
+{
+    GApplication app(argc, argv);
+
+    {
+        GMessageBox box("Shut down Serenity?", "Confirm Shutdown", GMessageBox::Type::Warning, GMessageBox::InputType::OkCancel);
+        auto result = box.exec();
+
+        if (result == GMessageBox::ExecOK) {
+            dbg() << "OK";
+            int rc = execl("/bin/shutdown", "/bin/shutdown", "-n", nullptr);
+            if (rc < 0) {
+                perror("execl");
+                return 1;
+            }
+        } else {
+            dbg() << "Cancel";
+            return 0;
+        }
+    }
+
+    return app.exec();
+}
diff --git a/Kernel/build-root-filesystem.sh b/Kernel/build-root-filesystem.sh
index b702d8b2ff..c8c0cd7dec 100755
--- a/Kernel/build-root-filesystem.sh
+++ b/Kernel/build-root-filesystem.sh
@@ -78,6 +78,7 @@ cp ../Applications/TextEditor/TextEditor mnt/bin/TextEditor
 cp ../Applications/PaintBrush/PaintBrush mnt/bin/PaintBrush
 cp ../Applications/QuickShow/QuickShow mnt/bin/QuickShow
 cp ../Applications/Piano/Piano mnt/bin/Piano
+cp ../Applications/SystemDialog/SystemDialog mnt/bin/SystemDialog
 cp ../Demos/HelloWorld/HelloWorld mnt/bin/HelloWorld
 cp ../Demos/HelloWorld2/HelloWorld2 mnt/bin/HelloWorld2
 cp ../Demos/RetroFetch/RetroFetch mnt/bin/RetroFetch
@@ -110,6 +111,7 @@ ln -s TextEditor mnt/bin/te
 ln -s PaintBrush mnt/bin/pb
 ln -s QuickShow mnt/bin/qs
 ln -s Piano mnt/bin/pi
+ln -s SystemDialog mnt/bin/sd
 echo "done"
 
 # Run local sync script, if it exists
diff --git a/Kernel/makeall.sh b/Kernel/makeall.sh
index b99e19e762..26be17f250 100755
--- a/Kernel/makeall.sh
+++ b/Kernel/makeall.sh
@@ -39,6 +39,7 @@ build_targets="$build_targets ../Applications/Downloader"
 build_targets="$build_targets ../Applications/PaintBrush"
 build_targets="$build_targets ../Applications/QuickShow"
 build_targets="$build_targets ../Applications/Piano"
+build_targets="$build_targets ../Applications/SystemDialog"
 build_targets="$build_targets ../DevTools/VisualBuilder"
 build_targets="$build_targets ../Games/Minesweeper"
 build_targets="$build_targets ../Games/Snake"