How to identify the file system of a drive in Mac OS

filesystemsmac-osx

I have an external drive hooked up to my Mac, and I'm trying to determine things like, e.g., is this HFS or FAT, is it 32-bit or 64-bit, etc. It seems like there should be some trivial command that gives me this info, but I can't seem to find one. Ideas?

Best Answer

diskutil(8) with the info predicate will give you information about a disk or partition.

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