This function returns a C truth value on success or -1 on error.
+=head2 guestfs_grub_install
+
+ int guestfs_grub_install (guestfs_h *handle,
+ const char *root,
+ const char *device);
+
+This command installs GRUB (the Grand Unified Bootloader) on
+C<device>, with the root directory being C<root>.
+
+This function returns 0 on success or -1 on error.
+
=head2 guestfs_is_busy
int guestfs_is_busy (guestfs_h *handle);