+# Use vlock to lock the screen. Tmux doesn't have an internal lock program
+# like GNU screen!
+set-option -g lock-command "vlock"
+# Lock sessions individually. Otherwise lock-after-time will wait on all other
+# sessions to idle before it locks this session.
+set-option -g lock-server off
+
+# Use Zsh as shell. Tmux does not display a warning if the shell isn't
+# available!
+set-option -g default-shell "/bin/zsh"
+