sputnick@stardust ~ $ ls -al /usr/src
total 24
drwxr-xr-x  6 root root 4096 Oct 17 10:30 .
drwxr-xr-x 15 root root 4096 Sep 22 15:12 ..
-rw-r--r--  1 root root    0 Feb 14  2006 .keep
lrwxrwxrwx  1 root root   28 Oct 17 10:30 linux -> /usr/src/linux-2.6.18-gentoo
drwxr-xr-x 20 root root 4096 Sep 29 23:22 linux-2.6.16-gentoo-r7
drwxr-xr-x 20 root root 4096 Oct 17 10:31 linux-2.6.17-gentoo
drwxr-xr-x 20 root root 4096 Oct 12 17:27 linux-2.6.18-gentoo
drwxr-xr-x 19 root root 4096 Oct 16 03:47 linux-2.6.18-gentoo-r1
lrwxrwxrwx  1 root root   19 Oct 16 03:51 linux_old -> linux-2.6.17-gentoo