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Fedora Rawhide installation with 320 MB RAM

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Red Hat

The Anaconda OS installer used by Fedora, RHEL and their derivatives have been many times criticized for its memory requirements being bigger than memory requirements of the installed OS. Maybe a big surprise for users who don’t see too deep into the issue, no surprise for people who really understand what’s going on in the OS installation and how it all works. The basic truth (some call it an issue) about OS installation is that the installer cannot write to physical storage of the machine before user tells it to do so. However, since the OS installation is quite a complex process and since it has to be based on the components from the OS itself there are many things that have to be stored somewhere for the installer to work. The only space for data that for sure doesn’t contain any data the installer shouldn’t overwrite or leave some garbage in is RAM.

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