:On the other hand, systemd launches all process in parallel (at same time), but allows them to communicate with each other (via sockets) for "on-demand" communication. This helps to improve efficiencies when running services, and makes it easier for system administrators to update services without "side effects" to the other dependent services.

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:'''Note: Although Linux operating systems (other than Fedora) still use init, systemd is compatible with init, but systemd is likely to replace init for all Unix/Linux distributions in the future...'''