Daum daum # ls -l /usr/src/linux
lrwxrwxrwx 1 root root 15 Nov 18 16:07 /usr/src/linux -> linux-2.6.17.6/
Daum daum # ls -l /usr/src/
total 3
lrwxrwxrwx  1 root root   15 Nov 18 16:07 linux -> linux-2.6.17.6/
drwxr-xr-x 20 root root 1360 Aug 26 11:12 linux-2.6.15.1
drwxr-xr-x 20 root root 1392 Nov 18 14:27 linux-2.6.17.13
drwxr-xr-x 20 root root 1416 Nov 18 16:09 linux-2.6.17.6
Daum daum # eselect kernel set 2\
>
Daum daum # eselect kernel list
Available kernel symlink targets:
  [1]   linux-2.6.15.1
  [2]   linux-2.6.17.13
  [3]   linux-2.6.17.6 *