Introduction to Bash
Bash (AKA Bourne Again Shell) is the basic language to communicate with a computer.
Installation
macOS
macOS already has Bash installed. Access it via the Terminal app, in the “Utilities” folder in your launchpad.
Windows
Windows is a bit more complicated. Bash is not pre-installed, but rather Powershell. Visit gitforwindows.com, and press download. You will be redirected to a website called Github (which we’ll cover a lot later on), and select the appropriate file for you.
For 99% of scenarios, use “Git_X.XX.X.X-64-bit.exe”.
Once installed, just right click anywhere (on your Desktop for example) and click “Git Bash Here”, and a terminal should pop up.
Linux
All linux distributions have Bash pre-installed, as it is the preferred language for hackers, but if in any case you don’t have it: On Ubuntu based systems:
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sudo apt install bash
On Red-Hat based systems:
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sudo yum install bash