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my 2-, i meant, why compress into .tar, then again into .gz? it irritates the hell out of me every time i deal with it.
Yes if you run them separately that would be stupid. But the choice to use both (or one or the other) is just a command line flag. Or, I use Ark on the GUI (yes a linux app) and it's completely transparent as to if it's a double or triple compressed. I double click on the archive and click the extract button.