Synonyms are different words with identical or very similar meanings. Words that are synonyms are said to be synonymous, and the state of being a synonym is called synonymy. The word comes from Ancient Greek syn (σύν) ("with") and onoma (ὄνομα) ("name"). The words car and automobile are synonyms.
Ubuntu (operating system), a Debian-based GNU/Linux distribution invoking the spirit of Ubuntu
Linux (commonly pronounced /ˈlɪnʌks/, LI-nuks in English, also pronounced /ˈlɪnʊks/, LI-nooks) is a generic term referring to Unix-like computer operating systems based on the Linux kernel.
Generic vs specific.