rm: cannot remove `...': Permission denied

Собственно следующее:

[scholz@host]$ chmod 0644 IMG_014[678].jpg
[scholz@host]$ ls -l IMG_014[678].jpg
-rw-r--r-- 1 scholz users 3100776 2007-08-27 09:39 IMG_0146.jpg
-rw-r--r-- 1 scholz users 3174855 2007-08-27 09:39 IMG_0147.jpg
-rw-r--r-- 1 scholz users 3197862 2007-08-27 09:39 IMG_0148.jpg
[scholz@host]$ rm IMG_014[678].jpg
rm: cannot remove `IMG_0146.jpg': Permission denied
rm: cannot remove `IMG_0147.jpg': Permission denied
rm: cannot remove `IMG_0148.jpg': Permission denied