Respuesta :
Answer:
UNIX operating system
Explanation:
Unix is a family of multitasking, multiuser computer operating systems that derive from the original AT&T Unix, development starting in the 1970s at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others.
Answer:
the UNIX
During the 1960s to 1970s, Bell Labs colleagues Ken Thompson and Dennis Ritchie developed UNIX, a multi-tasking, multi-user operating system alternative to the batch processing systems then dominating the computer industry.
Explanation: