In macOS, how often is /tmp deleted?
Problem
How often is /tmp deleted? I thought it was cleaned out boot time and every three days if you don't reboot, but I can't find any authoritative source for this. I'm running the latest 10.6. (I suppose I would be interested in changes in this behavior in previous OS versions.)
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1 Fix
Fix for: In macOS, how often is /tmp deleted?
Short answer: by default, files that aren't accessed in three days are deleted from /tmp Long answer: This was changed significantly in MacOS Sonoma 14 Prior to Sonoma, it works like this: sets up to run every 86400 seconds (1 day) (definition in ). Older versions of Mac OS scheduled it to run at 3:15 am each day. runs the scripts in , including . uses to delete files not accessed (using the and parameters to ) in days which aren't listed in . Those two variables (and other related variables) a…
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