Cygwin and Windows Clipboard Usage

An option that I always forget about when installing cygwin is how to
enable usage of the windows clipboard. For some reason it seems hard to google for (probably
my laziness), so I’m documenting it here.

To enable usage of the windows clipboard from within cygwin, use the -clipboard
option from the xwin.exe command. Previously you needed to use xwinclip (or similar), but it
is now integrated within Cygwin/X…