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To be fair, POSIX-compliant shells are allowed to exclude `.` and `..`, and some do, and POSIX says this may be required in the future.

https://pubs.opengroup.org/onlinepubs/9799919799/utilities/V...





Thankfully they updated it in the last 10 years … oh wait. Hmm. Seems this part of the standard is abandoned. We should create a new standard!



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