Recommended books, tutorials, cheatsheets, etc. organized by language.
- Hitchhiker's Guide to Python - a compendium of best practices and advice
- Automate the Boring Stuff - solid, human-friendly intro to basic Python programming
- The Python Standard Library - official docs for the libraries built into Python
- The Unix Shell - a well-rounded tutorial on the basic features of the shell
- Command Line Cheat Sheet