diff --git a/modules/system-administrators-guide/pages/kernel-module-driver-configuration/Working_with_the_GRUB_2_Boot_Loader.adoc b/modules/system-administrators-guide/pages/kernel-module-driver-configuration/Working_with_the_GRUB_2_Boot_Loader.adoc
index 2464357..e437157 100644
--- a/modules/system-administrators-guide/pages/kernel-module-driver-configuration/Working_with_the_GRUB_2_Boot_Loader.adoc
+++ b/modules/system-administrators-guide/pages/kernel-module-driver-configuration/Working_with_the_GRUB_2_Boot_Loader.adoc
@@ -1,4 +1,3 @@
-
 :experimental:
 include::{partialsdir}/entities.adoc[]
 
@@ -532,6 +531,15 @@ Reinstalling GRUB 2 is a convenient way to fix certain problems usually caused b
 
 * Adding the boot information to another drive.
 
+[[Discovering the firmware type]]
+=== Discovering the firmware type ===
+
+To discover what firmware your machine uses, run the following command:
+
+# [ -d /sys/firmware/efi ] && echo UEFI || echo BIOS
+
+The output returns only UEFI or BIOS, depending on the firmware your machine runs. 
+
 [[sec-grub2-reinstall_on_BIOS-Based_Machines]]
 === Reinstalling GRUB 2 on BIOS-Based Machines