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A comment on Why bother with argv[0]?. Parent comment

Re:Why bother with argv[0]? by mzs on Tuesday September 03, 2024 @04:57PM (#41439126)
https://github.com/util-linux/util-linux/blob/master/login-u...

edit: basically login(1) execes your shell with - prepended, so an example where POSIX expects this

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