Yes, I'm familiar with tar. But guess what? Over the past few days while putting together this site, I encountered tar's j switch for the very first time (e.g. tar jxf site.tar.bz2). This enables bzip compression and decompression on my tar archives. Amazing! I still remember being amazed a few years back when someone showed me that you can compress or decompress (via gzip) on the fly in tar by passing in the z switch. Nifty!
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