its a dangerous virus known as ‘Linux’ which can completely replace your precious Windows installation! be careful, there is a lot of propaganda pushing free (as in communism) software
summary: the holes are almost never (purposely) used to secure the plug in the socket. it is often just for manufacturing reasons (but not always, as in this case). it is included in the specifications as an optional feature, so that the holes are not made too big, or in the wrong place.
I’d just like to interject for a moment. What you’re refering to as Linux, is in fact, BusyBox/Linux, or as I’ve recently taken to calling it, BusyBox plus Linux. Linux is not an operating system unto itself, but rather another free component of a fully functioning BusyBox system made useful by the BusyBox corelibs, shell utilities and vital system components comprising a full OS as defined by POSIX…