Bash Python Powershell Go Misc Resources C/C++ PHP Assembly G0tmi1k OS scripts for bash (Examples) So you want to be a Python expert? Underthewire, overthewire for powershell SentDex - Practical Go Quandl: Free Data Samples Learning C++ learn PHP Getting started with Arduino/AVR Bash Guide to Beginners Sentdex Python Tutorials Mick Douglas, Powershell for Forensics Google's official intro Commandline-Kungfu: Bash/Python/PS C++ tutorial (from cprograming) [github.com/code-tutorials/assembly-intro NASM tutorial](github.com/code-tutorials/assembly-intro NASM tutorial "TITLE TEXT HERE") Bash Hackers Wiki page Beginner's Cheat Sheet Introduction to Powershell for Security Go by Example Code Academy Bash Academy (Exercises) Intermediate Cheat Sheet/Reference Page Windows Powershell Cookbook List of Go Libraries, etc UCI Machine Learning Data Sets Cmdchallenge (Bash Challenges) Interactive/Advanced Cheat Sheet/Resource Page Excercism GoLang Exercises Kevin Chai's datasets Excercism Python Exercises Data Science Central r/datasets Open Data (Italian) NASA datasets Registry of Open Data on AWS Pew Research (pewpewpew) Kaggle Wikipedia