GPOS, or General Purpose Operating System, is a term used to describe an operating system that is designed to be used on a wide range of different types of computers. Some of the synonyms for GPOS include standard operating system, commercial operating system, and regular operating system. Other synonyms might include common operating system, mainstream operating system, or general-use operating system. Regardless of the specific words that are used to describe GPOS, the term refers to a type of operating system that is widely used by individuals and businesses alike, providing a range of features and functions that can be tailored to meet specific needs.