Available at: Message and Upload area subboard prompts
Scan will display a list of the available items. By default, the Scan command will begin at the last item that was used in any way (read, scanned, etc). To begin scanning at a particular item number, use something like S7-.
Popular variations of the Scan command include:
SN Scan New items
SA Scan Global New items (all subboards)
S 'text' Scan items with 'text' in their titles or