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Microsoft's August 2016 announcement put PowerShell on GitHub and introduced it on Linux and macOS, changing its scope well beyond Windows administration.
Setting up Just Enough Administration so a support team runs specific, pre-approved remote commands without ever holding full admin rights.
Declaring a machine's desired configuration once, then letting PowerShell DSC continuously enforce it, instead of re-applying settings after drift.
First previewed as Monad in 2003, renamed Windows PowerShell in April 2006, and released that November — replacing cmd.exe scripting with an object-oriented shell.
Customizing Windows Terminal's settings.json and your PowerShell profile script, plus how fragment extensions and keybindings fit into the same configuration layers.
How WinRM and PowerShell Remoting turn scattered single-machine administration into fleet-wide scripted management across hundreds of servers.