Apparently North Korea has its own OS.
Also, for only $68 you can purchase an SD card with 32 GB of storage, a wireless connection, and runs a webserver on linux. (And is full of security holes.) Next thing I bet they’ll make an SD card with built-in camera.
If a CPU cycle is one second, then accessing L1 cache is 3 seconds and accessing the disk takes 1 to 12 months.
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