Powershell to transfer a large file

import-module bitstransfer

$Job = Start-BitsTransfer -Source c:\largefile.bak `
       -Destination Z:\ -Asynchronous
while (($Job.JobState -eq "Transferring") -or ($Job.JobState -eq "Connecting")) `
       { sleep 5;} # Poll for status, sleep for 5 seconds, or perform an action.
Switch($Job.JobState)
{
 "Transferred" {Complete-BitsTransfer -BitsJob $Job}
 "Error" {$Job | Format-List } # List the errors.
 default {"Other action"} #  Perform corrective action.
}

Powershell to export all farm solutions

Add-PSSnapin Microsoft.SharePoint.PowerShell –erroraction SilentlyContinue

## setup our output directory

$dirName = "d:\Exported Solutions"

Write-Host Exporting solutions to $dirName

foreach ($solution in Get-SPSolution)

{

    $id = $Solution.SolutionID

    $title = $Solution.Name

    $filename = $Solution.SolutionFile.Name

    Write-Host "Exporting ‘$title’ to …\$filename" -nonewline

    try {

        $solution.SolutionFile.SaveAs("$dirName\$filename")

        Write-Host " – done" -foreground green

    }

    catch

    {

        Write-Host " – error : $_" -foreground red

    }

}