How much of a typical GNU/Linux system is GNU software these days? AFAICS gcc and coreutils are the only bits that are ubiquitous.
miniblog.
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TIL that coreutils has a lightweight version of the `finger` command, appropriately named `pinky`!
GNU Coreutils doesn't handle UTF-8 correctly yet: https://catgirl.ai/log/cut-c-harmful/