But you can see inside my post the busyBox allowed options for both cases: no options for QNAP, -w option for Synology.
Maybe a "ps | grep" solution?
Enviado desde mi BlackBerry® de Vodafone
Date: Fri, 9 Nov 2012 11:52:06 -0800 (PST)
Subject: [domuslink-users] Re: "ps ax" invalid option