url modification

[eluser]Unknown[/eluser]
hi!

can any one plz let me know how to change my url's from

www.example.com/id?=2&cat=ABC
to
www.exapmle.com/articles/how-to-use-ci.html

thanks.

[eluser]Matthew Lanham[/eluser]
Have a read of:

http://ellislab.com/codeigniter/user-gui.../urls.html