mac-ops Helps with Slow Mac that used to be fast — bloat accumulation across the four startup mechanisms (Login Items, , , ). The same machine still boots fast once those are inventoried and trimmed. Failing drives that nobody's spotted yet. macOS doesn't shout the way Windows does — IO errors live in and APFS surfaces them via / provider messages. Healthy SSDs produce zero of these per month; dozens means active failure even when "About This Mac → Storage" still shows green. Kernel panics with no obvious cause. The / files in carry the panic string, kernel call stack, and (critically) the lo…