what does this consist of? Well, it’s easy, whenever you install a new distribution of Linux, don’t customise anything, nothing please!! Out of the box experience, you may install software but that’s all. And if you are already using a customised distro, then delete the .config file and reboot, but please be careful and check your distribution wiki before doing that o.o
No, they’re not installed.
Once an admin I know forgot to install a text editor. Imagine the fun editing files with cat, grep, awk etc., now imagine you have to use it to browse the web.