Hi Randy, re: > ok..how about this question? > > I am running mcidas on a MAC PRO. When i start mcidas i get the following > message: > > mcenv: Cannot make positive UC: could not create 55605964-byte shared memory > segment > > I have seen this problem before on the linux version and could fix it but > dont know > how on the mac. You have to change something on the OS if i recall. Any > suggestions? The instructions for setting the amount of shared memory that is available to applications on a variety of OSes, including MacOS-X, can be found in: Unidata McIDAS-X HomePage http://www.unidata.ucar.edu/software/mcidas Installing McIDAS-X on Unix or Mac OS X Workstations http://www.unidata.ucar.edu/software/mcidas/current/users_guide/InstallingMcIDAS-XonUnixorMacOSXWorkstations.html#63755 Preparing the Workstation http://www.unidata.ucar.edu/software/mcidas/current/users_guide/PreparingtheWorkstation.html#25760 Shared Memory Configuration http://www.unidata.ucar.edu/software/mcidas/current/users_guide/workstation.html The instructions for MacOS-X are at the bottom of the last page. Cheers, Tom **************************************************************************** Unidata User Support UCAR Unidata Program (303) 497-8642 P.O. Box 3000 address@hidden Boulder, CO 80307 ---------------------------------------------------------------------------- Unidata HomePage http://www.unidata.ucar.edu **************************************************************************** Ticket Details =================== Ticket ID: MRV-728442 Department: Support McIDAS Priority: Normal Status: Closed