In Terminal, I executed the following lines:
defaults write com.apple.screencapture location ~/Desktop/ killall SystemUIServer
But try as I might, my screenshots never save to the Desktop. In fact, I have no idea where they go!
Here's a GIF demonstrating the problem:
Here's a screenshot of my keyboard settings (to show that there are no conflicts or that I'm not accidentally copying to clipboard):
Does anyone have an idea?