usbtest is a shell script in the parent directory.
To make executable you first have to make it executable. This is done one of two ways:
Through the File Manager highlight the file; right click;
Properties >Permissions tab and then tick the
Make the file executable box.
...or flip the executable bit
Code:
chmod +x ~/Downloads/pico/usbtest
Then run it (most likely)
Code:
sh ~/Downloads/pico/usbtest
The PS2000Acon is missing some files. They are located in Picotech's Software Development Kit.
I'll take a look and see if it can even be compiled for Linux. It might run under Wine. I don't know yet...