Here's a quick tip if you find yourself typing a lot of accented letters, etc. We're going to assign our keyboard a Compose key.
In Kubuntu, do the following:
See the Wikipedia entry on the Compose key for many different things you can now easily enter with your Compose key, such as ä, à, , ß, ç, ©,
« and »,
¹, ², ³,
§, æ and œ, etc.