beast@Zeus:/boot $ ls -la
total 30M
drwxr-xr-x  3 root root 1.0K Nov 10 19:24 .
drwxr-xr-x 23 root root 4.0K Nov  8 22:25 ..
-rw-r--r--  1 root root 1.2M Jan 13  2015 abi-3.13.0-45-generic
-rw-r--r--  1 root root 162K Jan 13  2015 config-3.13.0-45-generic
drwxr-xr-x  5 root root 1.0K Nov  9 19:13 grub
-rw-r--r--  1 root root  20M Nov  9 19:14 initrd.img-3.13.0-45-generic
-rw-------  1 root root 3.3M Jan 13  2015 System.map-3.13.0-45-generic
-rw-------  1 root root 5.6M Jan 13  2015 vmlinuz-3.13.0-45-generic