Sixty years into the computer age, we still aren't checking basic things like the success of opening a file or whether memory allocation succeeds.
计算机的诞生已进入了六十个年头，我们仍旧没有检查基本的东西，如成功打开一个文件及内存分配是否成功。
2
It also provides a method to define a set of hard and soft disk block and fileallocation limits and the grace periods before the soft limit becomes enforced as the hard limit.
它还提供了一种方法来定义一组磁盘块和文件分配的硬、软限制，以及软限制强制实施为硬限制前的过渡期。
3
Another file size-based optimization is delayed allocation.