Introduction to TECO

This document provides an introduction to TECO (Text Editor and Corrector) for the DECsystem-10, as of version 23. It explains basic editing concepts such as the editing buffer, the buffer pointer, and command syntax. The manual describes fundamental commands for file input, initialization, buffer pointer positioning, text insertion, deletion, output, and searching. Additionally, it includes a comprehensive list of TECO error messages to assist users in troubleshooting.