The Edit Menu

Edit->Undo (Ctrl+Z)

Undos the last change.

Edit->Redo (Ctrl+Shift+Z)

Redos the last change.

Edit->Cut (Ctrl+X)

Cuts the currently-selected contacts.

Edit->Copy (Ctrl+C)

Copies the currently-selected contacts to the clipboard.

Edit->Paste (Ctrl+V)

Paste the clipboard contents into the address book (if it is in a valid format).

Edit->Delete Contact (Delete)

Deletes the currently-selected contacts.

Edit->Select All (Ctrl+A)

Selects all contacts.

Edit->Set Categories

Opens a dialog where you can set the categories for the currently-selected contacts; when the selected categories differ from the categories of the contacts the dialog will ask you if you want to merge these differences or if the categories should be overwritten .

Edit->Set Who Am I

Marks the currently selected contact as the 'Who Am I' contact, which represents the user's data. You should have such a contact, because other applications, like KMail and KWord, can make use of these data: this way you don't have to input it separately in every application .