Good Linux question — answering as the UphillTech team:
TL;DR : It has to do with the way Linux (and other Unixes as well) name their drives, much in the way that Windows uses C:, D:, etc. ( NOTE : This is what we call a metaphor. In other words, a blatant lie that helps people understand without being even remotely accurate. Read on for a more detailed explanation...) /dev/ is the part in the Unix directory tree that contains all "device" files -- Unix traditionally treats just about everything you can access as a file to read from or write to. sd originally identified a SCSI device, but since the proliferation of USB (and other removable) data...
Full answer by Shadur-don't-feed-the-AI: https://superuser.com/a/558163 (CC BY-SA 4.0).
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