(command.CommandList
  children: [
    (command.CommandList
      children: [
        (command.Sentence
          child: 
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:PATH)
                  op: assign_op.Equal
                  rhs: 
                    {</bin> <Id.Lit_Other ':'> </usr/bin> <Id.Lit_Other ':'> </sbin> <Id.Lit_Other ':'> 
                      </usr/sbin>
                    }
                  spids: [97]
                )
              ]
            )
          terminator: <Id.Op_Semi _>
        )
        (C {<export>} {<PATH>})
      ]
    )
    (C {<exec>} {<sysctl>} {<-n>} {<hw.pagesize>})
  ]
)