diff --git a/config/.screenrc b/config/.screenrc
new file mode 100644
index 0000000..120a194
--- /dev/null
+++ b/config/.screenrc
@@ -0,0 +1,2 @@
+defscrollback 10000
+
diff --git a/config/.tmux.conf b/config/.tmux.conf
new file mode 100644
index 0000000..b8ad2f0
--- /dev/null
+++ b/config/.tmux.conf
@@ -0,0 +1,29 @@
+set -g prefix C-a
+bind C-a send-prefix
+unbind C-b
+
+set-option -g history-limit 10000
+
+set -g status-keys vi
+setw -g mode-keys vi
+set -g status-position top
+
+bind h select-pane -L
+bind j select-pane -D
+bind k select-pane -U
+bind l select-pane -R
+
+set -g mode-mouse off
+
+bind m \
+    set -g mode-mouse on \;\
+    set -g mouse-resize=pane on \;\
+    set -g mouse-select-pane on \;\
+    set -g mouse-select-window on \;\
+    display 'Mouse: ON'
+bind m \
+    set -g mouse-resize=pane off \;\
+    set -g mouse-select-pane off \;\
+    set -g mouse-select-window off \;\
+    display 'Mouse: OFF'
+
diff --git a/vim/vimrc b/vim/vimrc
index 636f055..38a4bac 100755
--- a/vim/vimrc
+++ b/vim/vimrc
@@ -314,7 +314,8 @@ endif
 "
 
 " F4 grep the word under cursor.
-map <F4> :execute "grep " . expand("<cword>") . " -r *.h *.cpp *.c *.f" <Bar> cw<CR>
+"map <F4> :execute "grep " . expand("<cword>") . " -r *.h *.cpp *.c *.f" <Bar> cw<CR>
+map <F4> :execute "grep " . expand("<cword>") . " -r --include \*.h --include \*.cpp --include \*.c --include \*.f ." <Bar> cw<CR>
 " Create a new tab.
 map <silent> <C-F3> :tabnew<CR>
 "