Fun fact: RSTS was originally named BTSS - Basic Time Sharing System. This was short lived since Honeywell had a product with the same name, so it was renamed t

Fun fact: RSTS was originally named BTSS - Basic Time Sharing System. This was short lived since Honeywell had a product with the same name, so it was renamed to RTSS - Resource Time Sharing System. But due to a typing mistake that stuck it became RSTS - Resource Sharing Time-sharing System. Source: http://www.silverware.co.uk/rsts_80th_birthday.htm http://www.silverware.co.uk/rsts_80th_birthday.htm