DuckCorp Dico

Found one definition

1.                 From en.wiktionary.org:
                   
   
   
                   
                     
   [CPM]
   
   ** English
   [swp]
   
   *** Etymology
   [en], later explained as [en].
   
   *** Proper noun
   [head=CP/M]
   
    1. [en]  An early 8-bit  operating system .
    2. * [en]
   **** Derived terms
   
    - [en]
   *** Anagrams
   
    - [en]