Posted in Information Technology, Organizations YAOS stands for Yet Another Operating System YAOS stands for Yeovil Amateur Operatic Society (est. 1902; UK) YAOS Share Pinterest Tweet Whatsapp Post navigation YAOTMDIS-R Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.