Booster (initramfs) is described as 'Fast and secure initramfs generator' and is an app in the os & utilities category. There are 2 alternatives to Booster (initramfs) for Linux. The best Booster (initramfs) alternative is dracut, which is both free and Open Source.
dracut (the tool) is used to create an initramfs image by copying tools and files from an installed system and combining it with the dracut framework, usually found in /usr/lib/dracut/modules.d.
Creates an initial ramdisk environment for booting the Linux kernel. The initial ramdisk is in essence a very small environment (early userspace) which loads various kernel modules and sets up necessary things before handing over control to init.
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