diff --git a/.tmux.conf b/.tmux.conf
index c18c025..76185c8 100644
--- a/.tmux.conf
+++ b/.tmux.conf
@@ -1,6 +1,18 @@
+# prefix
 unbind C-b
 set -g prefix C-Space
 
+# send prefix to nested session after ctrl a
+bind-key -n C-a send-prefix
+
+# default shell
+set-option -g default-shell /bin/zsh
+
+#for copying to sys clipboard
+bind -T copy-mode-vi Enter send-keys -X copy-pipe-and-cancel "xclip -i -f -selection primary | xclip -i -selection clipboard"
+bind -T copy-mode-vi MouseDragEnd1Pane send-keys -X copy-pipe-and-cancel "xclip -i -f -selection primary | xclip -i -selection clipboard"
+bind -T copy-mode-vi C-j send-keys -X copy-pipe-and-cancel "xclip -i -f -selection primary | xclip -i -selection clipboard"
+
 bind | split-window -h
 bind - split-window -v
 unbind '"'
@@ -11,9 +23,6 @@ bind -n M-Right select-pane -R
 bind -n M-Up select-pane -U
 bind -n M-Down select-pane -D
 
-# send prefix to nested session after ctrl a
-bind-key -n C-a send-prefix
-
 set -g mouse on
 
 set-window-option -g mode-keys vi