Ex Parte MCLAREN et al - Page 4




          Appeal No. 2001-1206                                                        
          Application No. 08/588,942                                                  


          sense of the claims being rejected.                                         


               Reference is made to the briefs and answer for the                     
          respective positions of appellants and the examiner.                        


                                       OPINION                                        


               At the outset, we note that, in accordance with appellants’            
          grouping of claims, at page 5 of the principal brief, all claims            
          will stand or fall together.  Accordingly, we will focus on                 
          independent claim 1.                                                        
               With regard to claim 1, it is the examiner’s position that             
          Crump discloses the invoking of a program which executes under a            
          second operating system among a plurality of operating systems.             
          At page 3 of the answer, the examiner also lists the other steps            
          of the claim and corresponding portions of Crump.  However, the             
          examiner recognizes that Crump does not recite executing the                
          second operating system from a shell, as claimed.  The examiner             
          turns to Cutler and identifies pages 144, 139 and 69 as teaching            
          the execution of a second operating system from a shell,                    
          concluding that it would have been obvious “to execute the                  
          operating system through a shell for the reason set forth on page           

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