SAS Technical Support in France has drafted some time ago a lengthy and detailed explanation about the sequence of config/autoexec files dependency calls involved in the SAS workspace session launching. Even though it's in French, I strongly advise to look at page 6, there is a tree-like hierarchy showing the dependence over time and folders which is more visual ('visuality' being, absolutely speaking, in the eyes of the beholder) than the bone dry tabular form :   See bottom of page 6 :   https://www.sas.com/offices/europe/france/services/support/articles/US2013_Q3_Environnement.pdf   The document is so useful it should have been to be translated to English for a broader audience imho.     A few years ago,SAS Press used to announce an upcoming book about SAS & its environment (Autoexec, config, system options etc.) by the legendary SAS "Macro maven" Ron Fehd but this didn't show up to this day, unfortunately, although it's a topic of paramount importance for SAS techies.   Edit :  the expression "Autoexec du Workspace" literally reads "Autoexec of the Workspace"   , "démarré/démarrage" means "Started/Start" HTH ... View more