.Dd September 04, 2020 .Dt ASPCARRYLOG 8 .Os Darwin .Sh NAME .Nm ASPCarryLog .Nd Daemon to collect NAND IO pattern on selected devices .Sh SYNOPSIS takes no arguments, and users should not launch it manually. .Sh DESCRIPTION .Nm gathers NAND IO command activity analysis (not actual IO data) on selected devices that agreed to share analytics with Apple. .Pp Analysis collected by .Nm is used to improve NAND storage utilization and deliver better user experience across all Apple products .Sh HISTORY first appeared in macOS 11.0