No? What does Mr. Rogers have to do with leopards? Tigers I can see, but these aren't those.
The manuals. RTFM exists for a reason. If there's ever a command or a config file you're not sure about, just type in man the_command
.
If you can't access the man pages for some reason, there's an online version on linux.die.net.
Also, the Arch Wiki, Gentoo Wiki, and Debian Wiki offer good information for all distros. I like Arch Wiki the best.
PGP or GPG, however you spell it. You can encrypt stuff, protect your email from prying eyes!
Also FOSS in general.
It wasn't anything big that caused me to switch. It was just a general feeling of "oh, maybe I'll switch" and annoyance at Windows, and then I got a new SSD.
@DeltaWingDragon
@sh.itjust.works