Utilities and SDK for Subsystem for UNIX-Based Applications is an add-on to the Subsystem for UNIX-Based Applications (referred to as SUA, hence forth) component that shipped with Microsoft Windows Server 2003 R2.

This consists of the following components:

- Base Utilities
- SVR-5 Utilities
- Base SDK
- GNU SDK
- GNU Utilities
- UNIX Perl
- Visual Studio Debugger Add-in

In addition to the features provided in Windows Services For UNIX 3.5, this release enables 64-bit application development for SUA. This release also enables development and porting of custom UNIX applications using the Windows OCI (Oracle Call Interface) and Windows ODBC libraries (collectively referred to as ‘Mixed Mode’ in the rest of the document).

Utilities and Software Development Kit (SDK) for Subsystem for UNIX-based Applications