Finder is a bit special, unlike other Mac applications, you can't quit it. However, there are smart people out there who has found out way to easily quit finder.
If you're curious about this trick, you can continue reading the rest of this article. I've put the guide into simple step-by-step guide with some necessary explanations.
Terminal can help you perfectly flip your image either you want to flip it horizontally or vertically. Of course, you can flip diagonally also, by flipping horizontally after the image flipped vertically.
You can save a lot of time and Mac memory while performing this image manipulation. It's just a line of code so you don't need to spend much time to write the code for flipping image. And you don't need to open image editing Application that, of course, eat up a lot of memory of your Mac, all you need is only Terminal (including your keyboard and a little skill).
Delete files is the most frequent task all over the world of computer. Whenever the files being deleted, it will be automatically sent to the Trash. I think you all know.
However, what happens if the Trash folder is not visible, i.e. there isn't any Trash folder in your thumbdrive, am I right?
If you're not using thumbdrive, then you're right. However, if you are at this moment using thumbdrive, I recommended using this Terminal language to clear the trashes.
Without doing so, the trashes will accumulate on your thumbdrive and fill up all the free space. I don't expect that to happen and I think you do too.