DuckCorp

DuckCorp Dico

(RFC 2229 compliant dictionary server)
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Found one definition 

  1.                 From The Free On-line Dictionary of Computing (19 January 2023):
                

    
                
                  
    Network Operating System
NOS
    

       <operating system> (NOS) The operating system on Control
 Data Corporation's Cyber Computer.
    

       [Details?]
    

       (2002-11-22)