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<td width="20%">[[Windows PowerShell 1.0 Comparison and Containment Operators|Previous]]<td align="center">[[Windows PowerShell 1.0 Essentials|Table of Contents]]<td width="20%" align="right">[[Windows PowerShell 1.0 Flow Control with if, else and elseif|Next]]</td>
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Two features of PowerShell which will no doubt be familiar to users of UNIX and Linux based shell environments are pipes and redirection. The primary purpose of pipes is to chain commands together, passing the output from one command through to the next command. Redirection, on the other hand, allows the output from a command to be sent to a file. Unfortunately, whilst UNIX and Linux based shells allow input to be redirected to a commands (such as input from the keyboard), version 1.0 of PowerShell does not yet support this feature.
