Appendix B. Uploading files from a serial console

Table of Contents
B.1. Disable logging to console
B.2. ASCII upload and cat
B.3. Xmodem, Ymodem and Zmodem
B.4. Kermit

There are many scenarios where the machine is dead in the water and you need to upload a file to correct that. In many of these scenarios the only way to upload the file is via the serial port being used as the console.

Moving files about over serial links has a long history in microcomputing and this section goes back in time to uncover the tools commonly used in the pre-Internet age of the Bulletin Board System.