Its not like we need an even bigger list in this department, but it is nonetheless amazing given the Amiga's handicap of being developed 20 freaking years ago how many things the Amiga still does better than so-called "modern" OSs.
Try this on a pee-see; XP gave me an error then proceeded to do exactly the opposite of what should have happened; logically, anyway.
At the same time, delete all the files in a large scratch directory then uncrunch a large number of archive files to that same directory.
I tried the same thing on my A4000T and it worked flawlessly and effortlessly. It deleted all the files I told it to delete and it unarchived all the files I told it to unarchive, at the same time, to the same directory, without any overlap, prompts, messages, popups, nags, errors or complaints.