Linux下用find查找并复制指定文件到指定目录下find . -iname "*.doc" -type f -exec cp {} /tmp/doc \;实例，即使目录有空格也可以参考链接错误，评论问更正Linux下用find查找并复制指定文件到指定目录下

WSL2直接使用perf会报没有安装的错误：WARNING: perf not found for kernel 4.4.0-18362You may need to install the following packages for this specific kernel:linux-tools-4.4.0-18362-Microsoftlinux-cloud-tools-4.4.0-183

Solving environment: failed with initial frozen solve. Retrying with flexible solve.参考：https://github.com/conda/conda/issues/9367我是如此解决的conda create --name FaceMaskDetection2 python=3.7conda act...