I connect my ubuntu laptop to the omap 4 blaze board using a mini usb
cable.
When I do ls /dev/ttyUSB*
sometimes I get

~/09082011/secure$ ls /dev/ttyUSB*
/dev/ttyUSB0  /dev/ttyUSB1  /dev/ttyUSB3  /dev/ttyUSB4
~/09082011/secure$ ps -eaf | grep USB2
anil      2978  2024  0 17:28 pts/0    00:00:00 grep --color=auto USB2
:~/09082011/secure$ ls /dev/ttyUSB*
/dev/ttyUSB0  /dev/ttyUSB1  /dev/ttyUSB3  /dev/ttyUSB4

I want to know which process is holding on to USB2 so I can kill it.

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