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Nope, tar spec doesn’t say anything about a help message. The man spec OTOH requires at least syntax documentation for all standard utilities to be present on the system.
In the true spirit of UNIX, it’s
tar -h
F
It’s
tar --help
on my system 💥GNU switched to long command switches a while ago. Try bsdtar, it’s still just -h.
They kept the short ones for the actual extract/compress commands though, for compatibility reasons I presume.
tar -?
,-h
is dereference or smth.Nope, tar spec doesn’t say anything about a help message. The man spec OTOH requires at least syntax documentation for all standard utilities to be present on the system.