Moving between Windows and Unix shells
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Operating systems and shells
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Step 1: Windows
Why this matters here
Windows starts the path because many learners begin with its filesystem, terminal defaults, and path conventions.
In short
The dominant proprietary operating system developed by Microsoft, widely used in corporate environments and PC gaming.
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Step 2: PowerShell
Why this matters here
PowerShell is the native automation layer the learner meets first when running commands seriously on Windows.
In short
A powerful, object-oriented command-line shell and scripting language developed by Microsoft, designed specifically for system administration and automation.
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Step 3: Bash
Why this matters here
Bash enters as the contrasting Unix shell, making command syntax and scripting assumptions visible.
In short
The classic, ubiquitous command-line interface and scripting language that serves as the default shell for most Linux distributions.
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Step 4: WSL
Why this matters here
WSL matters after Bash because it explains how Linux shell workflows can run inside a Windows development setup.
In short
A compatibility layer in Windows that allows developers to run a genuine Linux environment natively, without the overhead of traditional dual-booting or bulky virtual machines.
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Step 5: Linux
Why this matters here
Linux gives WSL its operating-system context and prepares the learner for servers, containers, and common deployment environments.
In short
A highly customizable, open-source operating system kernel that serves as the foundational infrastructure for the vast majority of web servers and cloud environments globally.
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Step 6: macOS
Why this matters here
macOS broadens the Unix-like development picture and explains why many shell conventions transfer across developer machines.
In short
Apple's proprietary, Unix-based operating system that powers Mac computers, highly favored by web and software developers for its stability and native command-line tools.
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Step 7: Zsh
Why this matters here
Zsh closes the path because it is the default interactive shell many macOS users encounter after learning the Bash baseline.
In short
A highly customizable, modern command-line shell that acts as an extended, more interactive version of Bash, serving as the default shell on macOS.