How to identify the operating system version running on a SnapServer
This information is not Operating System specific
Using the SnapOS Assist Server Utility start up the Utility. Once it finds SnapServers, double click on the server icon, see "Software Version". (Note: this will also pick up GuardianOS Servers albiet if 3rd number is a "0" it will be dropped example 4.2.054 will display as 4.2.54)
SnapServer Manager will find both SnapOS & GOS, look under OS Version.
All Guardian OS versions - Web Interface Monitoring/Status/OS Version, With the introduction of 4.0.228 the OS version now appears in the Main Page under Server Status/OS Version.