Vxworks 5.4.2 ((full))

Even in the early 2000s, memory was a premium. VxWorks 5.4.2 allowed developers to "scale down" the kernel by excluding unnecessary components (like networking or file systems), resulting in a kernel image as small as a few hundred kilobytes. 4. Support for Diverse Architectures

-> ld < myPatch.o -> symFindByName "oldFunc", &pOld -> symFindByName "newFunc", &pNew -> pOld = pNew vxworks 5.4.2