You can look at the mount command and the "sync" option: https://man.openbsd.org/mount https://man.openbsd.org/mount If you're really curious about it, Michael

You can look at the mount command and the "sync" option: https://man.openbsd.org/mount https://man.openbsd.org/mount If you're really curious about it, Michael Lucas wrote a full book about the OpenBSD file system.