(use-modules (gnu))

(operating-system
 (host-name "vbox")
 (timezone "Europe/London")

 (bootloader (bootloader-configuration
          (bootloader grub-bootloader)
          (target "/dev/sda")))
 (file-systems (cons (file-system
              (device "guix")
              (mount-point "/")
              (type "ext4"))
             %base-file-systems)))