Text buffer may refer to: In programming: a text buffer is a region in memory where text is temporarily stored while it is being worked on by the CPU. The CPU can write and read to and from a text buffer, essentially manipulating text. The CPU might be moving it from one location to another to fulfil a request by a user. see Data buffer a part of video adapter's memory in a text mode; a backup (or mirror, or emulation) of that part in the system RAM, see e.g. virtual console. In text editors: same as clipboard (software), but for text.