Skip Navigation

InitialsDiceBearhttps://github.com/dicebear/dicebearhttps://creativecommons.org/publicdomain/zero/1.0/„Initials” (https://github.com/dicebear/dicebear) by „DiceBear”, licensed under „CC0 1.0” (https://creativecommons.org/publicdomain/zero/1.0/)KA
Posts
2
Comments
1,292
Joined
2 yr. ago

meme

Jump
  • I reckon it works a bit like Unix.

    But seriously unless you're a systems engineer with 15 years of experience you probably don't know how any popular OS works (note, I'm not either, I don't know shit). They are huge beasts with astonishing complexity.

    I spent a semester writing a microkernel OS with three other students. We got the init sequence working, memory management working, a shell accessible over UART, FAT32 on an SD card, a little bit of network, and a minimal HTTP server for the demo. And this was considered a big accomplishment worthy of top grades.

    And that's only the scratching the surface of what makes an OS, just think of all the other things you need. Journaling filesystems, user and rights management, hundreds of drivers for devices and buses full networking support, with dual stack, DNS, tunneling, wifi, then things like hibernation, sleep, power management in general, container and virtualization support, NUMA support, DMA support, graphical output, clocks and time sync, cryptography primitives and TPM support, etc etc

    I did USB only for mass storage once, that also took me a semester, and I bet PCIe is much harder.

  • I must have a weird sample then. My uncle specifically wants that because he doesn't want to have a separate phone. So he has a Galaxy Tablet. And a colleague at work recently inquired how she would log in to the phone company website to charge the prepaid plan if she can't get the login SMS.

  • But you could still just walk by the normal checkouts if you don’t have anything

    Ah yeah, of course. I thought that was the same in the location of the article, but maybe I misunderstood and that's the main issue.

    After re-reading it I'm still confused by this paragraph:

    During my Monday visit, I purchased a kombucha and went through the check-out line without incident. (No high-tech gates block the exit if you go through the line like normal.) But for journalism’s sake, I then headed back into the store to try going out the new gate.

  • I have seen scan gates after self checkout counters before. In Albert Heiijn shops in Amsterdam and in Lidl Shops in Zürich.

    But Coop and Migros Shops don't have them in Switzerland. I think the 7/11 in Copenhagen also didn't but I'm not sure of my memory.