http://status.nowherejezfoltodf4jiyl6r56jnzintap5vyjlia7fkirfsnfizflqd.onion/productivity/mentalopti/index.html
#Resize Pane:
CTRL+b CTRL+Arrow
#close pane:
CTRL+b x
#display pane numbers:
CTRL+b q
#COPY AND PASTE
CTRL+b [ (to enter copy mode, or PageUP to place the cursor farther up)
-> and then just click and drag to whatever text you want to copy
arrow keys (to place the cursor where you need it (or PageUP/PageDN))
CTRL+Space (and then move the cursor to select the lines you need)
CTRL+W (to copy your selection...