# The Linux Serial HOWTO

## by Greg Hankins, `gregh@cc.gatech.edu`

v1.3, 5 May 1994

This document describes the Ins and Outs of serial communications on a Linux box.

## Introduction

## Supported serial hardware

## What are the names of the serial ports?

## What is `getty_ps`?

## How do I dial out with my modem?

## How do I dial in and out with my modem?

## How do I set up a terminal connected to my PC?

## Can I use more than 2 serial devices?

## Can Linux configure the serial devices automagically?

## How do I set up my serial ports for higher speeds?

## Noteworthy comm programs

## More serial tips

## Linux FTP sites

## What are locks?

## What are UARTs? How do they affect performance?

## Troubleshooting

## Contributions