.txt

A text file (sometimes spelled “textfile”: an old alternative name is “flatfile”) is a kind of computer file that is structured as a sequence of lines of electronic text. A text file exists within a computer file system. The end of a text file is often denoted by placing one or more special characters, known as an end-of-file marker, after the last line in a text file. However, on some popular operating systems such as Windows or Linux, text files do not contain any special EOF character. “Text file” refers to a type of container, while plain text refers to a type of content. Text files can contain plain text, but they are not limited to such. At a generic level of description, there are two kinds of computer files: text files and binary files.