root@sercik-desktop:/usr/local/bin# strace -e trace=file qemu -hda /home/sercik/VirtualHD/win98.qcow -cdrom /dev/cdrom -boot c -m 128 -net user -net nic -usb -soundhw es1370 2>&1 | grep -i usb
execve("/usr/local/bin/qemu", ["qemu", "-hda", "/home/sercik/VirtualHD/win98.qco"..., "-cdrom", "/dev/cdrom", "-boot", "c", "-m", "128", "-net", "user", "-net", "nic", "-usb", "-soundhw", "es1370", ...], [/* 38 vars */]) = 0