Most of us know how to use a computer mouse, but there are times when knowing a couple of keyboard shortcuts will save time and make life easier:
Copying is a common task, whether you want to copy some text or a file simply highlight the text or file then hold down the ctrl key and whilst holding this key down press the C key and then release both keys. You can now paste the text or file wherever you want. To do this left click the location where the text is to go and again hold down the ctrl key and this time press V to paste the text.