root@ubuntu:~# ls -l /usr/lib/libGL*
-rwxr-xr-x  1 root root 7794936 2005-10-26 09:03 /usr/lib/libGLcore.so.1.0.7676
lrwxrwxrwx  1 root root      10 2005-10-26 15:58 /usr/lib/libGL.so -> libGL.so.1
lrwxrwxrwx  1 root root      17 2005-10-26 15:58 /usr/lib/libGL.so.1 -> libGL.so .1.0.7676
-rwxr-xr-x  1 root root  518220 2005-10-26 09:03 /usr/lib/libGL.so.1.0.7676
-rw-r--r--  1 root root  667994 2005-10-24 20:53 /usr/lib/libGLU.a
lrwxrwxrwx  1 root root      11 2005-10-26 03:14 /usr/lib/libGLU.so -> libGLU.so .1
lrwxrwxrwx  1 root root      20 2005-10-26 03:14 /usr/lib/libGLU.so.1 -> libGLU. so.1.3.060302
-rw-r--r--  1 root root  483084 2005-10-24 20:53 /usr/lib/libGLU.so.1.3.060302