Hi @nibutic, on Linux you can install OptiX anywhere you want. (The “install” is just unzipping a zipped archive, there are no system files to install.) Having a sub-folder in your home directory for SDKs, or for code development, would be a common choice. The only thing that matters is that when you write OptiX applications, you’ll have to point your build process to the location where you put your OptiX header files.
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David.