USB to COM Port connections

[Mickey]

On 05/25/2015 07:11 PM, Richard Shaw wrote:
> On Mon, May 25, 2015 at 6:04 PM, Mickey <binarynut at comcast.net 
> <mailto:binarynut at comcast.net>> wrote:
>
>     I'm plugging a standard usb cable into a Pixhawk Drone Flight
>     Controller and the COM port can't be found by the Controller program.
>
>
> Doing a little googling I found a comment that said you need to make 
> sure modemmanager is disabled as it will think it's a modem and try to 
> initialize it... Other than that you can try:
>
> $ tail -f /var/log/messages
>
> In a terminal window and then plug it in and look through any new 
> output when you do so.
>
> Richard
>
>
Why is this a bad syntax ?

# chmod 666 /dev/ttyACM0 –>  ( Why Is this a bad syntax)
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