One of the most common mistakes developers and ops people make is typing gti instead of git command. I set an alias i.e. alias gti=git, but then you may miss out on the jeep/car on your screen.
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Vim is my favorite text editor and version 8.2 released. The new version includes support for popup windows and text properties. Popup windows can be used for many purposes. For example, a list of choices can be displayed, where the user selects an entry with keys or with the mouse. There is also a new vim game released named as killersheep to show you new capabilities of Vim. Let us see how to install and play killersheep.
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You can configure sudo command to insult user when they type the wrong password. Now, it is possible to abuse insult the user when they enter the wrong command at the shell prompt.
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Kid: Dad, What are clouds made of in IT?

Sysadmin dad:
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She: What’s your idea of a perfect date?

Me: Unix epoch time
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You know, I should help that friend to work on that single point of failure. The printer. LOL
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Found apt-get command line fan :)
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Hmm…

sudo apt install fortune-mod

PS: Check out out apt command and apt-get command cheat sheet guide.

Or when you run rm -rf / on Linux or Unix-like system ;)

rm-rf

Another gif showing the same issue:

Delete a block of code

Now, I am hitting u, u, u in vim to undo (ctrl-z in other IDE) like a maniac to get back that line or a code block. Lmao.