info_tfgrid/collections/developers/internals/zos/internals/boot.md

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Services Boot Sequence

Here is dependency graph of all the services started by 0-OS:

boot sequence

Pseudo boot steps

both node-ready and boot are not actual services, but instead they are there to define a boot stage. for example once node-ready service is (ready) it means all crucial system services defined by 0-initramfs are now running.

boot service is similar, but guarantees that some 0-OS services are running (for example storaged), before starting other services like flistd which requires storaged