Aptitune Corporation http://www.sarcheck.com Aptitune Corporation is the manufacturer of SarCheck. SarCheck takes UNIX performance tuning beyond the others. Instead of just re-reporting system data and statistics, SarCheck analyzes sar report information and ps Šelf output. It also examines the systemÕs tunable parameters and their interaction with each other. Then in a concise, plain English report, SarCheck identifies problem areas and makes recommendations toward corrections. WeÕre the folks with the propeller hats! Š come by and get one while they last.