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Introduction to Linux - A Hands on Guide
This guide was created as an overview of the Linux Operating System, geared toward new users as an exploration tour and getting started guide, with exercises at the end of each chapter.
For more advanced trainees it can be a desktop reference, and a collection of the base knowledge needed to proceed with system and network administration. This book contains many real life examples derived from the author's experience as a Linux system and network administrator, trainer and consultant. They hope these examples will help you to get a better understanding of the Linux system and that you feel encouraged to try out things on your own.
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Most of the time, a linux script writer must have encountered reasons to automate the scripts that require login to the server, copying of data without the need of giving a password at the shell prompt. Most of the time, people will settle down with setting up the secure key access. ie, using authorized keys. But there is also another way of automating login to the servers. It is by using the expect script.
If expect is installed on your machine you can see it at /usr/bin/expect....