drwxr-xr-x root       root             4096 ./boot
-rw-r--r-- root       root           109604 ./boot/config-3.18.120
-rw-r--r-- root       root           465854 ./boot/Module.symvers-3.18.120
-rw-r--r-- root       root          3744218 ./boot/System.map-3.18.120