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      Fedora-18-Beta-TC4-x86_64-Live-CHECKSUM    13-Oct-2012 23:37  532   
      Fedora-18-Beta-TC4-x86_64-Live-Desktop.iso 13-Oct-2012 22:41  778M  
      Fedora-18-Beta-TC4-x86_64-Live-KDE.iso     13-Oct-2012 22:41  819M  
      Fedora-18-Beta-TC4-x86_64-Live-LXDE.iso    13-Oct-2012 23:05  678M  
      Fedora-18-Beta-TC4-x86_64-Live-SoaS.iso    13-Oct-2012 23:24  580M  
      Fedora-18-Beta-TC4-x86_64-Live-XFCE.iso 

 Fedora-18-Beta-TC4-x86_64-Live-SoaS.iso    soas是什么意思，