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POSIX doesn't forbid new flags or options. It's up to the author to read the spec and test his portability, or else willingly rely on certain distros. Some GNU
by erik_seaberg 2y ago
POSIX doesn't forbid new flags or options. It's up to the author to read the spec and test his portability, or else willingly rely on certain distros. Some GNU tools have had strict modes as a courtesy (they used to jokingly call it POSIX_ME_HARDER).