M.A.C., Seeing your other post, you have a huge incoming dataset.  Judicious use of the KEEP statement or option will significantly reduce work data set size; EGuide does that as well as using VIEWs when you are using the task interface. In a shared server environment, putting the WORK space on a separate spindle can do marvels.  It can also be treated as a separate drive and not backed up.  Also in a shared server environment, the problem may be someone else's and you may be "collateral damage".  The network admin can tell you if others are using all the space.  As Astounding said, the server environment can make a big difference; maybe you could tell us more about your work setup. Doc Muhlbaier Duke ... View more

Varsha, I am going to use SteveDenham idea, it's very logical and seems that it would work. I am still on some other tasks that take memory as well. I tried it on another laptop and works just fine. Proc varclus to see how the variables cluster and then from a business perspective i chose the one i judged important from each cluster and some others and then i added other ones even though they didn't show much in the clustering but they are necessary for this exercise. Hope i won't run into any trouble, in that case i'll be back to bother you guys good day to ye ! ... View more