Just the other day there was a post in a Linux memes com about how everything was called an app now.

Well it’s short for Application. Which evolved from what we used to call a program.

Use the ls app.

Then use the cd app.

how to mkdir

Most files are loaded to memory in order to make any kind of use out of them. I.e. read/write operations.

Why not? Represented in /proc? exec() and fam? Read and write to it?

Being one source file is the definition of a script?

This is much more of a 90s style case.

Except for the 5.25 inch floppy drives. No one had digital / led displays indicating mhz in the 80s. Keyboard is passable. Mouse is also at least 90s.