Always be careful about what you're typing into the Terminal command line! But if you're willing to live on the wild side, here's how to find duplicates with the Terminal: Otherwise, a single wrong inputted command could really mess things up. I'd caution against using this method if you don't really know your way around Macs. This method will you byte-level copies, so there's plenty of information for you to double check all the 'similar items' and to decide if they're duplicates that you want to delete. There's actually an easy trick to find duplicates only using the 'Finder' function on your Mac. Below are two methods you can use to find those pesky duplicate files and permanently delete them from your HD.
Luckily, you don't have to find duplicate files manually. Who doesn't want to get rid of useless files that serve only one purpose: clog up the HD? But then again, who wants to spend hours trolling through their HD to find the damn things? It's time-consuming. Duplicate files - can't live with them, really want to live without them.
