Hi Bob,

As Angel wrote you need to include the wildcard characters *. So use
ls /dev/*USB* to get a list of all devices with the name USB in it. One other thing 
you may need to run as root to get a listing so try:

sudo ls /dev/*USB* or /dev/*usb* etc

Regards,
-Larry

On 7/18/2013 6:36 PM, sismos wrote:
> Hi Bob,
>
> linux can sometimes be quite literal,  try to "ls" for
>
> ls /dev/usb*
>
> ls /dev/USB*
>
> but in the end I suspect those FTDI chips show up as
>
> ls /dev/ttyUSB*
>
> I am traveling right now so I can not test the above.
>
> Angel
>
>
>
> On 07/19/2013 01:06 AM, Bob Hancock wrote:
>> Hi Larry -
>>
>> The computer that I am working with has six USB slots and two RS-232 slots.  I have checked the six USB slots and they are ALL active whether in both Windows XP, or Linux.  I have received the RS-232 to USB plug with the FTDI Chip, and it works fine with WinSDR in Windows XP.
>>
>> When I type 'lsusb' any device plugged into a USB slot shows up.
>>
>> Yes, I am using the link (ln) command just as you have written without the '  '
>>
>> When I type ls /dev/USB   I get the following:  ls: cannot access dev/USB: No such file or directory
>>
>> The difficulty I am experiencing is getting WinSDR to work on either a USB or RS-232 slot with Linux.  The FTDI plug made the difference on Windows, but I need to do a little more work with Linux before it will work.
>>
>> Thanks for your input.  It is appreciated.
>>
>> Bob Hancock
>>
>> On Jul 18, 2013, at 4:57 PM, Larry Cochrane  wrote:
>>
>>> Bob, what do you get if you type this in a terminal 'ls /dev/*USB*' (without the '')? Have you been using the ln (link) command documented on this page http://www.seismicnet.com/linux_wine.html when trying different devices before starting Wine/WinSDR?
>>>
>>> Regards,
>>> -Larry
>>>
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