[ 7469.237915] usb 1-7: new full speed USB device using ohci_hcd and address 67
[ 7469.450051] usb 1-7: configuration #1 chosen from 1 choice
[ 7469.452977] secbulk:secbulk probing...
[ 7469.452984] secbulk:bulk out endpoint found!
root@wuwei-desktop:/home/wuwei/dnw/dnw_linux/secbulk# sudo ./dnw /media/cdrom/images/linux/
sudo: ./dnw: command not found
如何解决?