drwxr-xr-x root       root             4096 ./boot
-rw-r--r-- root       root           103522 ./boot/config-4.4.133
-rw-r--r-- root       root           419969 ./boot/Module.symvers-4.4.133
-rw-r--r-- root       root          3412224 ./boot/System.map-4.4.133