Instead of having a job defined by spooled card images, each program reads its next control card from the terminal, and output is normally printed immediately to the screen.

• 代替费了很大劲被缠绕在线轴上的卡影定义，每个程式读来自终端机的它的下个控制卡，而且输出通常立刻被印刷到萤幕。