2.1 安装过程

wget https://golang.org/dl/go1.16.5.linux-amd64.tar.gz
rm -rf /usr/local/go && tar -C /usr/local -xzf go*linux-amd64.tar.gz
vi ~/.zshrc # 或者~/.bashrc
export PATH=$PATH:/usr/local/go/bin
go version

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