new

# File lib/shell/system-command.rb, line 17
    def initialize(sh, command, *opts)
      if t = opts.find{|opt| !opt.kind_of?(String) && opt.class}
        Shell.Fail Error::TypeError, t.class, "String"
      end
      super(sh)
      @command = command
      @opts = opts
      
      @input_queue = Queue.new
      @pid = nil

      sh.process_controller.add_schedule(self)
    end