You can use
Dolphin, KDE's file
manager, to find files on your disk, proceed as follows:
+ → from the main menu to launch
Choose → from the menu to open the search dialog.
name of the file you are looking for. You can use a star
*) to mean “anything” or a question
?) to mean “any single
button to launch the search. Results are
displayed at the bottom of the search window.