(9).zip — G

: Use DotNetZip to stream a ZIP file directly to a browser without saving it to the server's disk first. 3. ZIP-Based System Utilities

In the Android and data management worlds, ZIP files are often used to "generate" or flash features: g (9).zip

If you are looking for a "useful feature" to generate or implement related to this, here are the most common technical interpretations: 1. Maximum Compression (The "-9" Flag) : Use DotNetZip to stream a ZIP file