%hash=>{

 comp1=>{

      mode1=>{

              (command => command1)
               (command=>command2)
              }

       mode2=>{

               (command => command1)
               (command=>command2)
              }
          },

  comp2=>{
        mode1=>{

              (command => command1)
               (command=>command2)
              }

       mode2=>{

               (command => command1)
               (command=>command2)
              }
          },
}