How to restores all the device groups?

symdg -sid 1234 importall -f mydgfile.txt

Create all device groups from the file mydgfile.txt which created earlier using exportall option.

How to list all the device groups

symdg -sid 1234 list
List device groups which include the devices from array 1234.
How to backup all the device groups

symdg -sid 1234 exportall -f mydgfile.txt
Export all device groups created in array 1234 to file mydgfile.txt.
How to list all the Device Groups with full name

symdg -sid 1234 list -v
This will list all the devicegroups belongs to 1234 , and also the devices in it. This is equal to "show" each device groups in the array.

How to list all the device groups