Easier way to install F# PowerPack both on Mac OS X and on Linux

There are the easier way to install F# PowerPack both on Mac OS X and on Linux. After downloading F# PowerPack zip from here, operate like below:

$ sudo unzip FSharpPowerPack.zip -d /opt
$ cd /opt/FSharpPowerPack-2.0.0.0/bin
$ sudo gacutil /i FSharp.Compiler.CodeDom.dll
$ sudo gacutil /i FSharp.PowerPack.Build.Tasks.dll
$ sudo gacutil /i FSharp.PowerPack.Compatibility.dll
$ sudo gacutil /i FSharp.PowerPack.dll
$ sudo gacutil /i FSharp.PowerPack.Linq.dll
$ sudo gacutil /i FSharp.PowerPack.Metadata.dll
$ sudo gacutil /i FSharp.PowerPack.Parallel.Seq.dll

$ fsi

Microsoft (R) F# 2.0 Interactive build (private)
Copyright (c) 2002-2010 Microsoft Corporation. All Rights Reserved.

For help type #help;;

> #r "FSharp.PowerPack.dll";;

--> Referenced '/opt/FSharpPowerPack-2.0.0.0/bin/FSharp.PowerPack.dll'