Строка состояния TMUX с пустой линией сверху
set -Fg 'status-format[1]' '#{status-format[0]}'
set -g 'status-format[0]' ''
set -g status 2
# This takes advantage of the multi-status bar support in tmux >= 2.9.
# It creates two status bars making the second your actual status bar
# and the first one a blank one to emulate white space
Gifted Gorilla