virology

veganism

utilitarianism

technology

taxonomy

science

psychology

orthography

ontology

metrology

innovation

health

grammar

socialism

communism

epidemiology

government

democracy

atheism

altruism

categorization

categorisation

computation

typography

Shell

A shell is a command-line tool, designed to be run by the Unix shell.

Telegram

Telegram is a non-profit, cloud-based instant messaging service.

virtual-reality

Server

A server is a program made to process requests and deliver data to clients.

Operating system

An operating system is a program that manages a computer's programs and applications.

Linux

Linux is an open source kernel.