问题描述
根据维基百科，以下是一个非常优雅的bash叉炸弹：
According to Wikipedia, the following is a very elegant bash fork bomb:
:(){ :|:& };:
它是如何工作的？
How does it work?
推荐答案
打破下来，有三大块：
:() # Defines a function, ":". It takes no arguments.
{ ... }; # The body of the function.
: # Invoke the function ":" that was just defined.
在主体内部，该函数被调用两次，并在管道被后台运行;在处理每一个连续调用产卵更呼吁：。这迅速导致爆炸性消耗系统资源，磨东西停了下来。
Inside the body, the function is invoked twice and the pipeline is backgrounded; each successive invocation on the processes spawns even more calls to ":". This leads rapidly to an explosive consumption in system resources, grinding things to a halt.
请注意，调用了一次，无限递归，就不够好，因为这只会导致对原工艺堆栈溢出，这是混乱，但可以处理。
Note that invoking it once, infinitely recursing, wouldn't be good enough, since that would just lead to a stack overflow on the original process, which is messy but can be dealt with.
一个更人性化的版本是这样的：
A more human-friendly version looks like this:
kablammo() { # Declaration
kablammo | kablammo& # The problematic body.
}; kablammo # End function definition; invoke function.
编辑：下面威廉的意见就是我上面说的更好的措辞，所以我已经编辑把这项建议
William's comment below was a better wording of what I said above, so I've edited to incorporate that suggestion.
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