In Pictures website offers more than 80 online tutorials for beginners about creating and using documents, databases, spreadsheets, and presentations in OpenOffice.org

Writer 2.x Tutorials by examples

1. Create a new document
2. Cut, copy and paste
3. Format words
4. Format paragraphs
5. Use bullets and numbering
6. Adjust page settings
7. Check spelling
8. View pages
9. Format text with styles
10. Find and replace
11. Set tabs
12. Insert breaks
13. Employ headers and footers
14. Format pages in columns
15. Employ drop caps
16. Insert pictures
17. Draw and paint
18. Employ tables
19. Employ templates
20. Use the thesaurus
21. Count words
22. Insert a Table of Contents

Base 2.x Tutorials by examples

1. Create a new database
2. Create tables
3. Create forms
4. Create queries
5. Create reports
6. Modify tables
7. Create new tables
8. Specify data types
9. Specify field properties
10. Edit records
11. Find records
12. Sort and filter records
13. Create table relationships
14. Modify forms
15. Add/delete records
16. Edit records
17. Find records
18. Filter records
19. Create queries
20. Sort results
21. Add criteria
22. Employ Boolean operators

Calc 2.x Tutorials by examples

1. Add
2. Subtract
3. Multiply
4. Divide
5. Calculate averages
6. Find the maximum value
7. Add
8. Subtract
9. Multiply
10. Divide
11. Calculate averages
12. Find the maximum value
13. Move, copy, and paste
14. Add/delete columns
15. Add/delete rows
16. Employ multiple worksheets
17. Employ AutoFill
18. Insert/delete worksheets
19. Create formulas across worksheets
20. Employ absolute references
21. Employ the function wizard
22. Add notes
23. Freeze panes
24. Create charts

Impress 2.x by examples

1. Create a slide
2. Add new slides
3. Insert pictures
4. Format text
5. Format pictures
6. Preview a presentation
7. Insert tables and charts
8. Employ design templates
9. Employ a master slide
10. Rearrange slides
11. Animate text
12. Animate graphics
13. Create slide transitions
14. Advance slides automatically
15. Add speaker notes
16. Create handouts

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I have found out a website which is showing more than 100 Free Linux eBooks. Most of ebooks are formated in PDF for downloading. I am just not sure that these links are valid. According to this website, you can download 10 books per day.
You can have a look on the following list first. Then you must access directly to download. Try it if you like!

Updated (21-January-2009): The link was removed already because the site was broken.

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It's the fastest-growing, coolest Linux distribution out there, and now you can join the excitement with this information-packed guide. Want to edit graphics? Create a spreadsheet? Manage groups? Set up an NFS server? You'll learn it all and more with the expert guidance, tips, and techniques in this first-ever soup-to-nuts book on Ubuntu. From the basics for newcomers to enterprise management for system administrators, it's what you need to succeed with Ubuntu.

* Master the fundamentals for desktop and networks
* Send e-mail, share files, edit text, and print
* Download music, watch DVDs, and play games
* Use Ubuntu on laptops, go wireless, or synch it with your PDA
* Set up Web, mail, print, DNS, DHCP, and other servers
* Manage groups and secure your network

You can download it from Rapid Share. VnTutor do not own or host this book. So, VnTutor don't guarantee that these links are active forever.

You can download other Ubuntu Linux books here. It's free.
+ Moving to Ubuntu Linux
+ Beginning Ubuntu Linux
+ The official Ubuntu Book
+ Ubuntu Hacks
+ Ubuntu Unleashed

Or read good tutorials about Linux on the Net ...

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Publisher: Sams
Language: English
Pub Date: August 29, 2006
Pages: 800
Description: Incorporating an advanced approach to presenting information about Ubuntu, Ubuntu Unleashed aims to provide the best and latest information that intermediate to advanced Linux users need to know about installation, configuration, system administration, server operations, and security. Written by renowned open source authors, Paul and Andrew Hudson, it includes detailed information on hot topics in Ubuntu Linux, such as wireless networks, and programming in PHP, Perl and others. It thoroughly covers all of Ubuntu's software packages, including up-to-date material on new applications, Web development, peripherals, and programming languages. It also includes updated discussion of the architecture of the Linux kernel 2.6, USB, KDE, GNOME, Broadband access issues, routing, gateways, firewalls, disk tuning, GCC, Perl, Python, printing services (CUPS), and security. The included DVD comes with a complete Ubuntu Linux distribution.

I don't own or host this book. So, don't guarantee that the following links are active forever. You can also leave a new link here if possible.

• Download from Rapid Share (20/07/2007)
• Link 2 for download a CHM copy (updated date 16/12/2007)
  

You can download other Ubuntu Linux books here.
+ Moving to Ubuntu Linux
+ Beginning Ubuntu Linux
+ The official Ubuntu Book
+ Ubuntu Hacks

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Publisher: Prentice Hall PTR
Language: English
Paperback: 448 pages
Data: August 11, 2006
Description: Ubuntu is a complete, free operating system that emphasizes community, support, and ease of use while refusing to compromise on speed, power, and flexibility. It’s Linux for human beings–designed for everyone from computer novices to experts. Ubuntu is the most in-demand Linux distribution, and this official guide will get you up and running quickly.

Learn how to seamlessly install and customize Ubuntu for your home or small businesses. Its open source power can be used in schools, government, or by corporations, and is suitable for both desktop and server use. The Ubuntu community is built on the premise that software should be available free of charge, and that people should have the freedom to customize and alter their software in whatever way they see fit.

You can download it from Vista Server. VnTutor do not own or host this book. So, VnTutor don't guarantee that these links are active forever.

Free download Ubuntu Linux books
+ Moving to Ubuntu Linux
+ Beginning Ubuntu Linux

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Beginning Ubuntu Linux: From Novice to Professional

This book is the best-selling guide to the hottest new Linux distribution. Within its 600 in-depth pages, you'll learn how to become a pro-level Linux user. The book starts by introducing you to the world of Linux. Then it outlines Ubuntu installation in illustrated steps, after which you'll learn how to configure every piece of everyday tech hardware such as your Internet connection, printers, 3D graphics cards, Bluetooth devices, and much more. Then you'll learn fun tasks such as listening to audio CDs and MP3s, watching movies, performing office tasks, and even image editing. Additionally, there's a series of comprehensive tutorials on Linux internals and the command-line prompt--essential for any Linux expert--and the book includes special sections on optimization, security, and system maintenance.

You can download it from RapidShare. VnTutor do not own or host this book. So, VnTutor don't guarantee that these links are active forever.

Free download Ubuntu Linux books
+ Moving to Ubuntu Linux

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Publisher: Addison-Wesley Professional
Language: English
Paperback: 496 pages
Date: August 17, 2006
Description: Discover Ubuntu, Today’s Hottest Linux

Everyone’s talking about Ubuntu—it’s not just 100% free, it’s the most useful, practical desktop Linux ever! Now, Linux expert Marcel Gagné reveals Ubuntu’s amazing power and helps you migrate from Windows faster than you ever thought possible.

Moving to Ubuntu Linux will teach you how to do virtually anything with Ubuntu—write documents, create spreadsheets, surf the Web, use email, listen to music, watch movies, and play games.

You can download it from RapidShare. VnTutor do not own or host this book. So, VnTutor don't guarantee that these links are active forever.

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Today, I would like to share with everyone free Ubuntu Linux books which I have found on the Net some days ago.

Publisher: Addison-Wesley Professional
Language: English
Paperback: 496 pages
Data: August 17, 2006
Description: Discover Ubuntu, Today’s Hottest Linux

Everyone’s talking about Ubuntu—it’s not just 100% free, it’s the most useful, practical desktop Linux ever! Now, Linux expert Marcel Gagné reveals Ubuntu’s amazing power and helps you migrate from Windows faster than you ever thought possible.

Moving to Ubuntu Linux will teach you how to do virtually anything with Ubuntu—write documents, create spreadsheets, surf the Web, use email, listen to music, watch movies, and play games.

Read it or Download it

Publisher: Prentice Hall PTR
Language: English
Paperback: 448 pages
Data: August 11, 2006
Description: Ubuntu is a complete, free operating system that emphasizes community, support, and ease of use while refusing to compromise on speed, power, and flexibility. It’s Linux for human beings–designed for everyone from computer novices to experts. Ubuntu is the most in-demand Linux distribution, and this official guide will get you up and running quickly.

Learn how to seamlessly install and customize Ubuntu for your home or small businesses. Its open source power can be used in schools, government, or by corporations, and is suitable for both desktop and server use. The Ubuntu community is built on the premise that software should be available free of charge, and that people should have the freedom to customize and alter their software in whatever way they see fit.

Read it or Download it

Publisher: Sams
Language: English
Pub Date: August 29, 2006
Pages: 800
Description: Incorporating an advanced approach to presenting information about Ubuntu, Ubuntu Unleashed aims to provide the best and latest information that intermediate to advanced Linux users need to know about installation, configuration, system administration, server operations, and security. Written by renowned open source authors, Paul and Andrew Hudson, it includes detailed information on hot topics in Ubuntu Linux, such as wireless networks, and programming in PHP, Perl and others. It thoroughly covers all of Ubuntu's software packages, including up-to-date material on new applications, Web development, peripherals, and programming languages. It also includes updated discussion of the architecture of the Linux kernel 2.6, USB, KDE, GNOME, Broadband access issues, routing, gateways, firewalls, disk tuning, GCC, Perl, Python, printing services (CUPS), and security. The included DVD comes with a complete Ubuntu Linux distribution.

Read it or Download it

Publisher: O'Reilly
Language: English
Pub Date: June 2006
Pages: 447
Description: The Ubuntu distribution simplifies Linux by providing a sensible collection of applications, an easy-to-use package manager, and lots of fine-tuning, which make it possibly the best Linux for desktops and laptops. Readers of both Linux Journal and TUX Magazine confirmed this by voting Ubuntu as the best Linux distribution in each publication's 2005 Readers Choice Awards. None of that simplification, however, makes Ubuntu any less fun if you're a hacker or a power user. Like all books in the "Hacks" series, Ubuntu Hacks includes 100 quick tips and tricks for all users of all technical levels. Beginners will appreciate the installation advice and tips on getting the most out of the free applications packaged with Ubuntu, while intermediate and advanced readers will learn the ins-and-outs of power management, wireless roaming, 3D video acceleration, server configuration, and much more.


Read it or Download it

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