troubleshooting Question

Script format question

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HelixxFlag for United States of America asked on
LinuxLinux OS Dev
10 Comments2 Solutions393 ViewsLast Modified:
I am creating a script to write zero data to a CF card (Don't ask.  It's stupid but I have to do it anyway)  

sudo watch dd if=/dev/zero of=/dev/sdb bs=4k > mylog & tail mylog

My question is three parts.  

1)  Using the line above, why does the dd action stop?  If I take the " & tail mylog" off, it works and writes to the file just fine.

2)  Why can I not get this to run in a script from a desktop icon?

3)  Is there a better way to do this?  It has to be easy for the end user so the hope would be a double click on the desktop icon, password for sudo is fine and then the process runs with an easy to read status.

I have several more action icons to make after this one so hopefully this will get me on the right track.

Thanks all!
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