loki@loki:/var/lib/dkms/nvidia-355$ ls
355.06  kernel-3.13.0-63-generic-x86_64
loki@loki:/var/lib/dkms/nvidia-355$ cd ..
loki@loki:/var/lib/dkms$ ls
bbswitch  dkms_dbversion  nvidia-355  uvesafb_scale  virtualbox
loki@loki:/var/lib/dkms$ cd uvesafb_scale/
loki@loki:/var/lib/dkms/uvesafb_scale$ ls
0.1  kernel-3.13.0-24-generic-  kernel-3.13.0-29-generic-  kernel-3.13.0-61-generic-  kernel-3.13.0-63-generic-
loki@loki:/var/lib/dkms/uvesafb_scale$