how to start linux user space



Hi , I am new to linux OS , I am working on a project in which I am programming on bare metal , im using GRUB bootloader to load my binaries , now there is a problem , that I want to use storage devices / database etc which can be only done in linux OS not in bare metal , I heard we can create a linux user space instance of linux on my bare metal program and share resources between linux instance and my bare metal program ?
I am using ubuntu and fedora

Saad Ahmad

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