Xargs -0 pipes common input into one argument. This argument is passed on the bash executable which sends a "copy to clipboard" request to klipper using qdbus. The pipe to /dev/null is not to print the newline character returned by qdbus to the console. Or, which can be the preferred https://1001bookmarks.com/story20056127/not-known-factual-statements-about-cat-shop-dubai