About Intel Product Licensing （ifortran 安装激活)

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根据之前程序比较，感觉Intel fortran and icc 比之 gfortran 和 gcc 的效率要高不少，于是申请了教育版 Educator Intel® Parallel Studio XE Cluster Edition for Linux*。

关于 Intel Product Licensing，注意到有两种 licensed，named-user and floating licenses。个人机器使用 floating license 一直有些问题，换成了 named-user license。

注意：named-user license 对 Host ID 没有限制，

https://software.intel.com/en-us/forums/intel-software-development-products-download-registration-licensing/topic/721041
Please check out our End User License Agreement (EULA) in regards to a Named-User license usage. The license is associated with a User not with a Machine. It is a single User license, not a single Machine license. Also see: https://software.intel.com/en-us/articles/mutiple-install-allowed-with-named-user-lic

安装时候，第一次使用 Serial Number 激活，卡住了；换用 license file 激活，顺利安装成功。