The F2-425 Plus, which uses TerraMaster’s TOS operating system, can be managed using a web-based console or the TNAS mobile app. I opened the web console and saw a Windows-like desktop with icons positioned just below the address bar. Clicking the Start icon opened a specific application, and tapping the File Manager let me create, share, and search for files and folders, as well as upload and download them.
(Credit: Terramaster)
A Backup icon lets you use TerraMaster’s Business Backup Suite to copy and restore data—you can create Time Machine, CloudSync, and Duple backup sets—and set backup schedules. When I tapped the Control Panel icon, I summoned a screen for setting user privileges, configuring network settings, creating storage pools and volumes, accessing general system settings, and viewing system information. The last item tracked parameters such as CPU usage, port assignments, and the users online.
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Experimenting with the App Center icon allowed me to download productivity, media-server, cloud-server, backup-and-restore, and office-related applications. When I wrote this, I found 57 apps available for download—which pales in comparison to the Asustor AS6702T V2 and its 256 apps.

(Credit: Terramaster)
Finally, the Docker icon lets you download and configure Docker Compose and Portainer, for running customized containerized applications.
