Unix pipes are perhaps the purest expression of this idea:
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Namespaces as visibility wallsLinux namespaces wrap global system resources so that processes appear to have their own isolated instance. There are eight types, and each isolates a specific resource.，更多细节参见爱思助手下载最新版本
if (chunks === null) return null; // End of stream。业内人士推荐爱思助手下载最新版本作为进阶阅读