diff --git a/tmux/.tmux.conf b/tmux/.tmux.conf
new file mode 100644
index 0000000..b984441
--- /dev/null
+++ b/tmux/.tmux.conf
@@ -0,0 +1,25 @@
+# prefix+r to reload
+bind r source-file ~/.tmux.conf \; display "Config reloaded!"
+
+# long history, 2k default
+set-option -g history-limit 100000
+
+# vi-style key bindings in copy mode, etc
+set-window-option -g mode-keys vi
+
+# Trying out mouse mode for now, use shift to bypass to local emulator
+bind-key m set-option -g mouse \; display "Mouse: #{?mouse,ON,OFF}"
+set -g mouse on
+set -g terminal-overrides 'xterm*:smcup@:rmcup@'
+
+# F12 to toggle whether tmux commands affect local or nested (remote) session
+bind -T root F12 \
+  set prefix None \;\
+  set key-table off \;\
+  refresh-client -S
+
+bind -T off F12 \
+  set -u prefix \;\
+  set -u key-table \;\
+  refresh-client -S
+