Is there a good free (prefrerably PDF) bash tutorial online? [closed]

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I am finding myself doing a lot more messing around with scripts than I used to and my lack of knowledge in this area (and linux sysadmin/security in general), is becoming a hindrance.

Can anyone recommend a good online resource for bash scripting/linux admin. Pr开发者_如何转开发eferably, it will be in pdf format, so I can copy it (single file) onto my PDA.

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I've learnt much from the Advanced Bash-Scripting Guide

This guide is targeted more at programming beginners, but it can prove useful too: Bash Guide for Beginners.

I usually use the HTML version as a reference when hacking Bash, but there is a PDF version of both guides if you want to read them all through. You can find all formats of the guides at http://www.tldp.org/guides.html

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The available PDF manuals are very limited. I download some of these HTML guides using something like wget --page-requisites --mirror --convert-links so I can read them on the train on my laptop.

• The Advanced Bash Scripting Guide. Covers a range of topics, from basic to advanced.
• The Bash Reference Manual is okay, but it's just a reference manual. I read it, but I am sometimes left with unanswered questions. This is a pretty official document, and other guides often refer to this document.
• Bash Guide for Beginners. Despite the name, this is a great reference for experienced users also.
• BASH Frequently Asked Questions is a great resource
• The Bash-Hackers Wiki is an excellent resource and is filled with all sorts of useful topics. The Syntax Guide is great and often better syntax reference then the Bash Reference Manual.
• Vivek Gite has some great articles at cyberciti.biz. See bash.cyberciti.biz and www.cyberciti.biz/faq/category/bash-shell/

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Do not miss to look at http://mywiki.wooledge.org/BashGuide.

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There is the Advanced Bash Scripting Guide - for PDF versions do a bit a of Googling.