Early user space has been available since version 2.5.46 of the Linux kernel, with the intent to replace as many functions as possible that previously the kernel would have performed during the start-up process. Typical uses of early user space are to detect what device drivers are needed to load the main user space file system and load them from a temporary filesystem.
Read more about this topic: Linux Startup Process
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“Why not a space flower? Why do we always expect metal ships?”
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