PURPOSE OF THE UNIT STANDARD This unit standard is intended for people who need to use Graphical User Interface (GUI)-based operating systems either as a user of computers or as basic knowledge for a career needing this competency, like the ICT industry. People credited with this unit standard are able to: Identify the different storage devices on a computer. Explain the concepts of files on a computer in a GUI environment. Locate files in a GUI environment. Work with computer files in a GUI environment. Protect computer files in a GUI environment. The performance of all elements is to a standard that allows for further learning in this area.