Added macOS to your devices, where do I start to get familiar with the tools?

Question

macOS

Hello! The question is this: I took a macbook pro "13 retina for solitude. I didn’t have anything to do with MacOS. The console is familiar in general from linux. Main occupations: layout, javascript, now ruby ​​got carried away.
Where to start, what software has already been tested and convenient, what sets of software, so as not to rearrange everything several times in search?

Answer 1

console: zsh, homebrew, rvm.
gui: RubyMine/Sublime/TextMate.
browsers are the same as on other systems.

Answer 2

macOS? MacOS is the operating system for the PowerPC. Are you sure you have macOS?

Answer 3

Programming: Jetbrains RubyMine and ruby ​​and JS, CSS, HTML
Photoshop available, for pictures Xnview
images For virtual machines: Parallels

Answer 4

Why not Air? Is retina so important?