Learning PowerShell for SysAdmin/Networking work

Hi guys,

I am a Linux user and i am not a beginner using bash terminal, but i wanted to learn PowerShell since i want to work in the Sysadmin / Networking (but the main goal is to work in InfoSec) area ... Learning PowerShell would be benefic for me or not realy?

And if yes, where can i find good material to start studying and learning?

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Thanks