HI,
I have binary files that were generated on SUnOS 5.5.1 some years back. These programs were written in C. I want to run them on SunOS 5.11 (latest version of SunOS). Can I run them directly or will there be any porting challenges?
Assuming you stay in the same CPU family (either SPARC or x86) and whether you are lucky or not, the binaries might just work under Solaris 11.
You might however have several issues depending on how the binaries were built (static vs dynamic linking) and the libraries used. Some of the ones present on Solaris 2.5.1 have been deprecated during the couple of decades that separate these releases.