I wish I’d thought about collecting these! Check out this newbie’s guide to GNU/Linux from MakeUseOf.com:

• 5 Excellent Downloadable eBooks To Teach Yourself Linux
  • free downloadable ebooks to teach yourself Linux

  • Newbie’s Getting Started Guide to Linux

    (Download)

  • Introduction to Linux – A Hands on Guide

    (Download)

  • GNU/Linux Command line tools Summary

    (Download)

  • Ubuntu Pocket Guide and Reference

    (Download)

  • Rute User’s Tutorial and Exposition

    (Download)

Posted from Diigo. The rest of my favorite links are here.