I posted about this on the KDE community a couple of weeks ago, but Dolphin (their file manager) has a nice trick for archives (zips, tar's, etc) - in the extract menu, there's an "Extract, Autodetect Subfolder" button which will:

• If the archive has an inner subfolder (and just that), it will extract this as expected
• If the archive doesn't have an inner subfolder, and all the files are at the root level, it will create a new folder for you and extract the files there

This way, you don't end up with files splattered all over say, your downloads folder. Easily one of my favorite features, and is something I wish every File Manager had. It feels like someone had the same pain that I do (and I'm sure plenty others) of extracting something, and regretting it - but then they went as far as to fix the problem for everyone and implemented a feature for it (I'd love to have the knowledge to contribute to KDE someday)!

Bit of an obvious one but try out new DEs in a VM before installing it on hardware. It is a pretty big time saver especially if you are ricing it.

Other than that looking at extensions for file managers you use. There's some neat ones and the Arch Wiki is a good place to find them

One I just discovered recently - in KDE, holding the Super Key & right mouse button lets you resize a window from anywhere so you don't have to hunt around for the one corner pixel to resize it.

No idea if it works in Gnome or other DE's, but might be worth a try!

I’m really enjoying Mission Center - especially compared to the default app on Pop!_OS.

btop is also really good if you want something in the terminal

Ctrl + enter to open a new window of an application on gnome

Mouse gestures in Plasma.

Just draw a shape, make it mimic a keyboard shortcut, run a script, launch a program, whatever. Such a nice feature that I use constantly.

In KDE plasma, to show hidden files in Dolphin, press ALT+Period. To open Krunner no matter where you are, press ALT+Space.

Control + s in Gnome to jump into the search bar. This works for all Gnome apps

Speaking of apps, I've found TV-Lite to be a good iptv player. There are tons of free channels to watch too.

I regularly use Shotcut for video editing.

Video Downloader has also served me well for downloading from YouTube.

Thorium and Mercury for web browsing.

Can't remember if it's a default keybinding or if I changed it, but I use shift+meta+s to select a rectangle of the screen to copy. In KDE I have to select "copy" from the notification hamburger menu, Xfce I configured to automatically copy it to the clipboard. Then you can upload the selection to Discord and other apps with ctrl+v. Just meta+s copies the entire screen but I use that much less often.

https://github.com/mdgaziur/findex

@imgel I wouldn't consider #e16 a DE (still count?); but using that, I prefer having a frame-only window decoration. I use a simple #xdotool line in my #conkyrc to display the currently focused window.

${exec 'xdotool getactivewindow getwindowname'}

I've also used a combination of xdotool, randr, and eesh in the past to do tiling and arrangement.

• For file save/send dialogs, just drag/drop from nemo/nautilus to the file dialog instead of using the annoying navigation in the file dialog itself.
• In cinnamon, use win-l,r,u,d to snap. In succession will go from full width/height to a corner. Reverse or drag the window to go back to original size. This gives you nice tiling with the flexibility of traditional window management as well.
• for a terminal ctl-alt-t
• alt-f2 to execute a command with history

DE? What is that?

- Me, an "minimal install" user

Jokes aside, I don't fiddle with shortcuts unless its something that involves other command(s) instead of the one(s) I currently have on my /usr/local/bin directory.