Questions and postings pertaining to the usage of ImageMagick regardless of the interface. This includes the command-line utilities, as well as the C and C++ APIs. Usage questions are like "How do I use ImageMagick to create drop shadows?".
Add -limit area 64 to your command line and the image pixels will be cached to disk rather than memory. This will severly reduce the memory usage but it will also slow the process down since disk access is slow compared to memory.