sam@sam-UbuntuWork:/$ sudo ls -l /media/mountpoint
total 8
-rw-r--r-- 1 501     501 1024 Mar 23  2005 Desktop DB
-rw-r--r-- 1 501     501    2 Mar 23  2005 Desktop DF
drwxr-xr-x 1 501 dialout    5 Jun 26  2010 Drivers
drwxr-xr-x 1 501     501    8 Jul  2  2010 Extras
drwxr-xr-x 1 501     501    4 Jan 15  2008 images
drwxr-xr-x 1 501     501    3 Oct 11  2005 installers
drwxr--r-- 1 501 dialout    4 Jul  2  2010 InternetToolkit6.0.2.pkg
drwxr-xr-x 1 501 dialout    4 Jul  2  2010 LabVIEW2010CDSim.mpkg
drwxr-xr-x 1 501 dialout    4 Jun 26  2010 LabVIEW 2010 Pro.mpkg
drwxr-xr-x 1 501 dialout    4 Jul  2  2010 LabVIEW2010VIAnalyzer.mpkg
drwxr-xr-x 1 501      99   15 Jul  2  2010 License, Patents & Copyright
drwxr-xr-x 1 501 dialout    7 Jul  2  2010 Linux
drwxrwxr-x 1 501 dialout    4 Jul  1  2010 NI LabVIEW 2010 LEGO MINDSTORMS NXT Module.mpkg
drwxr-xr-x 1 501 dialout    8 Jul  2  2010 ReadMe
sam@sam-UbuntuWork:/$ cd /media/mountpoint/
bash: cd: /media/mountpoint/: Permission denied
sam@sam-UbuntuWork:/$ sudo cd /media/mountpoint
sudo: cd: command not found