使用非打印字符分割 ViewState 中存储的对象有两个目的。
Using nonprintable characters to delineate the objects stored in view state serves two purposes.
cat还可以在您查看包含如制表符这样的非打印字符的文件时起帮助作用。
Cat can also help when you are viewing files that contain non-printing character like tabs. You can reveal them with these options.
其中一些选项控制它输出非打印字符的方式，例如制表符和控制字符。
Some of them control the way it outputs nonprinting characters, such as tabs and control characters.
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