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macname@localhost Desktop % echo `uname -a` Darwin localhost 19.6.0 Darwin Kernel Version 19.6.0: Thu Oct 29 22:56:45 PDT 2020; root:xnu-6153.141.2.2~1/RELEASE_X86_64 x86_64 macname@localhost Desktop %
原文：https://www.cnblogs.com/sea-stream/p/14038735.html