added a helper function prelude-kill-other-buffers, that kills all

buffers, but the current one

modules/prelude-core.el

@@ -351,5 +351,12 @@ there's a region, all lines that region covers will be duplicated."
       (set-window-start w2 s1)))
   (other-window 1))
 
+(defun prelude-kill-other-buffers ()
+  "Kill all buffers but the current one"
+  (interactive)
+  (dolist (buffer (buffer-list))
+    (unless (eql buffer (current-buffer))
+      (kill-buffer buffer))))
+
 (provide 'prelude-core)
 ;;; prelude-core.el ends here

modules/prelude-global-keybindings.el

@@ -115,6 +115,9 @@
 ;; open an ansi-term buffer
 (global-set-key (kbd "C-x t") 'prelude-visit-term-buffer)
 
+;; kill other buffers
+(global-set-key (kbd "C-c k o") 'prelude-kill-other-buffers)
+
 ;; search with google
 (global-set-key (kbd "C-c g") 'prelude-google)