Text files contain text in a traditional language such as English, Spanish, etc.
Text files do not have the normal word processing features such as margin control, font selection, underscore, bold, etc. Word processors, spreadsheets, games, operating systems, and paint programs are examples of software applications. Windows 95, Macintosh, Windows 3.1, and NT have an operating system with a graphical user interface. Some versions of UNIX also have a graphical user interface. The user enters strings of information on a line in order to direct processing and feed data.