localhost ~ # ls -la /usr/src
total 1740
drwxr-xr-x  3 root root    4096 Oct 15 13:08 .
drwxr-xr-x 13 root root    4096 Oct 13 17:09 ..
-rw-r--r--  1 root root       0 Oct 11 11:18 .keep
-rw-------  1 root root 2097152 Oct 13 17:36 core
drwxr-xr-x 20 root root    4096 Oct 13 01:46 linux-2.6.17-gentoo-r5
lrwxrwxrwx  1 root root      22 Oct 13 17:27 linux-2.6.17-gentoo-r7 -> linux-2.6.17-gentoo-r7