doubt about sync(1) for shutdown the system

[Matias Fonzo]

Hi there,

I am writing a shutdown script for the boot process.

I have a little question, which is exactly the order to apply correctly
sync(1)?:

  1. Before to unmount swap devices, local/remote filesystems?.

  2. Between the unmount of swap device(s) and local/remote
  file systems?.

  3. After to unmount everything?.

  4. ... ?.

Thanks,
Matias

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