cd <installation_directory>; unzip <download_directory>/OracleDeveloperStudio12.6-Samples.zip
which unpacks the contents into the directory: OracleDeveloperStudio12.6_Sample
The Sample Applications are provided to help you get better acquainted with Oracle Developer Studio 12.6 analysis tools and dbx debugger.
The Oracle Developer Studio 12.6 Sample Applications are intended for educational purposes only. Sample Applications are not supported or certified by Oracle, and are not to be copied into user production applications.
The sample applications are organized as sub-directories that represent a specific Oracle Developer Studio analysis tool or debugger: