问HN：因为没有备份，你永远失去了什么？
我和一个朋友在谈论我们几十年前写的一个DOS POS系统。这个系统非常粗糙，是用Turbo Pascal手动编写的DBF文件，尽管如此，它在一些地方仍然在运行，因为它被盗版了。
我们已经没有源代码了，也没有安装盘和备份。这个软件的存在时间比我们对它的记忆还要长。
这让我意识到，“临时”工作往往比其创造者存活得更久，而源代码却消失了。
你失去的最重要的东西是什么，因为你以为稍后会备份？代码、数据、研究、艺术、配置，任何东西。
这种损失是否永久改变了你处理备份的方式？
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A friend and I were talking about a DOS POS system we wrote decades ago. It was crude, handwritten using Turbo Pascal DBF files and somehow still running in a few places since it got pirated.<p>We no longer have the source. No install disks. No backups. The software survived longer than our memory of it.<p>It made me realize how often "temporary" work outlives its creators, while the source vanishes.<p>What’s the most important thing you lost because you assumed you’d back it up later? Code, data, research, art, configs, anything.<p>Did that loss permanently change how you handle backups?