Sun Studio 12 is a collection of compilers. They also replace the older-generation Forte compilers.
The Workshop and Visu tools are now linked with these new compilers.
This collection provides C, C++, Fortan 77, and Fortran 90 compilers.
It also provides tools for building, debugging, and much more.Documentation
Please see the online documentation. Of special note is the section man pages there. For those familiar with compilers but just needing the gritty details. Do not use the man pages from the command line, they do not always reflect the current documentation.