- The ultimate linux newbie guide
- Introduction to Linux - a hands on guide by Machtelt Garrels
- GNU bash manual
- Octave
- Octave Forge
- MIT open courseware from Prof. Ian Hutchinson
- Octave Guide 4.5MB, 1121 pages
- Octave Tutorial 2MB, 111 slides
- Sage course by Prof. Amritanshu Prasad, IMSc, Chennai
- Sage course on NPTEL by Prof. Ajit Kumar, ICT, Mumbai