Introduction
Installation and Uninstallation of Sun Studio 12 Software
Installing Sun Studio Software Using The Batch Installer
Installing Sun Studio Software Using The Command Line Installer
Uninstalling Sun Studio Software With The Command Line Uninstaller
Features of Sun Studio 12 Software
C, C++, Fortran Compilers
C Compiler
Invoking the C Compiler
Using Lint (Source Code Checker)
New Compiler Options for the x86 Platform
C++ Compiler
Invoking the C++ Compiler
Examples
Setting Up Aliases and Compile Options Inside a C Shell
Fortran Compiler
Runtime Checking
Invoking the Fortran Compiler
Understanding and Using the Compiler Options
OpenMP Support
dbx Debugger
Basic dbx usage
dmake
Thread Analyzer
Using the Thread Analyzer
Tools of Performance Analysis: Collector and Performance Analyzer
Sun Performance Libraries
HPC
IDE (Integrated Development Environment)
Setting up a Project
Accessing Sun Studio Documentation

It's all here: http://docs.sun.com/source/820-3999/