This small command-line utility thoroughly checks available memory under OS X. Memtest is licensed under the Gnu Public License and is distributed with source code. This program was originally authored by Charles Cazabon for Linux platforms and the MacOS X port is maintained and enhanced by Tony Scaminaci.
What's new in this version:
Version 4.2 adds
* - a new Linear PRN test which fills the entire test space with non-repeating pseudorandom data
* - an intelligent command-line parser to reduce dependence on the order of command-line arguments
* - reporting of the total execution time.
Memtest OS X is distributed as a universal binary that runs on all PPC and Intel-based Macs and can be downloaded for a minimal fee of US $1.39.
Operating System Support: Mac OS X 10.2.8 or higher running on any PowerPC or Intel-based Macintosh.
Review for Memtest