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Text-Terminal-HOWTO

David S. Lawyermailto:dave@lafn.org

v1.43 March 2013
This document was originally written for real text terminals which werelike monitors (with keyboards), but could only display text with a commandline interface (no pictures). They were widely used to access mainframecomputers in the late 1970's and 1980's but use of them declined in the1990's and they are seldom used anymore. However much of this howtoalso applies to command-line interfaces on Linux PC's which are in wideuse today. It's not about the user programs one might run on thecommand line, but about setting up, managing, and understanding theinterface itself Such as using a monitor as a virtual (text-only)console, using a text-window in a GUI such as xterm, connecting to aremote computer over a network via ssh, telnet, etc., or even usingsoftware on another PC to turn it into a serial-port text-terminal. Allthese 4 methods are known as "text-terminal emulation".But unfortunately, the main emphasis in this howto is real textterminals and the coverage of emulation is inadequate for the first 3methods of emulation mentioned above. The Keyboard-and-Console-HOWTOfilled much this gap but it was written for Linux 2.0 and now needsrewriting (or merging into this Text-Terminal howto). A new author isneeded that has time to do all this.For the seldom used real text-terminals, it explains how they work, explains howto install and configure them, and provides some info on how to repairthem. This HOWTO also provides a brief overview of modern GUIterminals.

1.Introduction

2.Types of Terminals

3.Thin Clients Terminals

4.Quick Text-Terminal Install

5.Why Use a Terminal ?

6.Overview of How Text Terminals Work (in Linux)

7.Terminal Special Files such as /dev/tty

8.Some Details on How Terminals Work

9.Special Features/Types of Some Terminals

10.Terminal Emulation (including the Console)

11.Flow Control (Handshaking)

12.Physical Connection

13.Set-Up (Configure) in General

14.Terminal Set-Up (Configure) Details

15.Computer Set-Up (Configure) Details

16.Terminfo and Termcap (detailed)

17.Using the Terminal

18.Special Uses for a Terminal

19.Trouble-Shooting

20.Repair & Diagnose

21.Appendix A: General

22.Appendix B: Escape Sequence Commands Terminology

23.Appendix C: Serial Communications on EIA-232 (RS-232)

24.Appendix D: Notes by Brand/Model


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