PURGE(8) System Manager's Manual PURGE(8)

purge — force disk cache to be purged (flushed and emptied)

purge

Purge can be used to approximate initial boot conditions with a cold disk buffer cache for performance analysis. It does not affect anonymous memory that has been allocated through malloc, vm_allocate, etc.

malloc(3), sync(8)

September 20, 2005 macOS