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## 1. Introduction

In the past, we used to compress files in order to save disk space. Today, disk space is cheap - but bandwidth is limited. By compressing data streams, you achieve two goals:

1) You save bandwidth/transfered volume (that is important if you have to pay for traffic or if your network is loaded.).

2) Speeding up low-bandwidth connections (Modem, GSM, ISDN).

This HowTo explains how to save both bandwith and connection time by using tools like SSH1, SSH2, OpenSSH or LSH.

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