Here is a great free resource for users interested in tech-related topics. Recently posted on another site, is an article with links to "15 Free Guides That Really Teach You USEFUL Stuff", as the title of the post says. These guides really break down the basics for several tech-related issues, and can be useful for users of all levels of expertise on a topic. They are free to download as PDF files or to read online.
Free to Share Manuals on a Variety of Topics
From makeuseof.com:
Over the past months, we’ve written quite a few PDF manuals for you, on all kinds of diverging subjects, including BitTorrent, iTunes, iPhone, Twitter, Mac, Linux, Photoshop and several other topics.
Initially available only for subscribers, there are now multiple manuals released every month, for everyone to enjoy. After releasing 15 manuals and nearly half a million downloads we thought it was about time to look back and review what has been published so far.
Enjoy! No sign up need, downloads are free, no strings attached.
Do us a favor by sharing those manuals friends!
Topic Listing for Free Manuals
- Movies on the Internet: About downloading movies, streaming movies, fixing video files.
- Music on the Internet: About free music sharing, music downloading, tracking your favourite music acts online.
- Mac: Tips, tricks, and free applications for the Mac.
- iPhone: Details on how to get the most out of your iPhone.
- Twitter: Features, tips, and tricks.
- Windows Mobile Phone: Features and applications.
- Productivity: Productivity mistakes, time organization, and workflow.
- Building a Home Media Center: Hardware, software, and media extender options.
- Networking: Network setup and overall guide.
- BitTorrent: Using BitTorrent.
- Linux: Getting started with Linux for newcomers.
- Photoshop: Photoshop basics and shortcuts.
- iTunes: Tips and tricks.
- Building a PC: Beginner’s guide for building a computer.
- Buying a Laptop: Buying guide for 2009.
- (Bonus Guide) PSP Upgrade/Downgrade: For beginners, methods and tricks.

