PowerShell is a programming language released by Microsoft that not only allows management of Windows operating systems by creating scripts and applications, it also allows for integration of modules and other programming languages like C#,VB,SQL and even DOS commands. This is a very robust  language that encompasses all facets of server management. 

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PowerShell used along with task scheduler can be utilized for creating reports, maintaining system configurations, deletion of logs files, truncating SQL logs and much more…When I started learning PowerShell I found the language to be simple enough to read through code and examples to understand what the end result would be.