An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.

Version control is a system that records changes to a file or set of files over time so that you can recall specific versions later.

PHP is a server scripting language, and a powerful tool for making dynamic and interactive Web pages.

Docker is a tool designed to make it easier to create, deploy, and run applications by using containers.

JavaScript (not to be confused with Java) is a high-level, dynamic, multi-paradigm, object-oriented, prototype-based, weakly-typed, and interpreted language used for both client-side and server-side scripting.

SQL is a standard language for storing, manipulating and retrieving data in databases.

Java is a programming language and computing platform first released by Sun Microsystems in 1995.

Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.

Ruby is an interpreted, high-level, general-purpose programming language. It was designed and developed in the mid-1990s by Yukihiro “Matz” Matsumoto in Japan.