my latest nifty screen trick (borrowed from a similar variant for xclip) goes: bindkey -m > eval "stuff ' '" writebuf "exec sh -c 'pbcopy < /tmp/screen-exc

my latest nifty screen trick (borrowed from a similar variant for xclip) goes: bindkey -m > eval "stuff ' '" writebuf "exec sh -c 'pbcopy < /tmp/screen-exchange'" then when you've made a selection in screen Copy Mode, just terminate it with '>' to stick it onto the system paste buffer.