def print_command(user, host, cmd)
      #return if @@global.parallel
      cmd ||= ""
      cmd, user = cmd.to_s, user.to_s
      prompt = user == "root" ? "#" : "$"
      li ("%s@%s%s %s" % [user, host, prompt, cmd.bright])
    end
def print_command(user, host, cmd)
      #return if @@global.parallel
      cmd ||= ""
      cmd, user = cmd.to_s, user.to_s
      prompt = user == "root" ? "#" : "$"
      li ("%s@%s%s %s" % [user, host, prompt, cmd.bright])
    end
Returns a formatted string for printing command info