A text editor is used to edit plain text files. Text editors differ from word processors, such as Microsoft Word or WordPerfect, in that they do not add additional formatting information to documents.
Text editors have a feature set different from that of a traditional word processing program. For example, most won’t let you include pictures, or include tables, or double-space your writing. The features of text editors vary from implementation to implementation, but there are several kinds of features that most editors have. Below are listed some of the most common and useful features.