The 
viewlog
 command is used to view the gateway's system log.
Syntax
viewlog
Example
viewlog
Gateway Log
* S1B Polling Manager initialized
* Internet service initialized
* SDv2 card detected
* GPT drive mounted successfully
* VDrive partition table mounted successfully
* Sensor mode is S1B_POLLING
* ETH Link up. Net stack initiated.
* Route resolved
* Connected to gateway conf server