You can get and set copy and paste output straight from WSL!

Set the clipboard from WSL output

You can use clip.exe to set Windows’ clipboard from WSL. For example, this line sets the last few lines of your .bashrc file to be your clipboard.

tail ~/.bashrc | clip.exe

Get the clipboard values in WSL

You can use the PowerShell command Get-Clipboard to get clipboard values from within WSL.

powershell.exe /c Get-Clipboard