Thank you, this looks like it's done the trick and this command is now running, fingers crossed for the completion now-r is for the directory and -t is for the backup name. So based on the info above:
Code:nohup ./synoimgbkptool -r /volumeUSB3/usbshare -t THEONE_1.hbk -R detect > /volume1/\@tmp/recover.output &
