1653
TRIPOS was a multitasking system that had been written in BCPL during the 1970 s for minicomputer systems like the PDP-11 , but later experimentally ported to the 68000 .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None