emacs save your desktop with some commands history

... and load it on startup;

ecb was switched off;
placed following at the end of my .emacs:

%<-----------------------------
;; save a list of open files in ~/.emacs.desktop
;; save the desktop file automatically if it already exists
(setq desktop-save 'if-exists)
(desktop-save-mode 1)

;; save a bunch of variables to the desktop file
;; for lists specify the len of the maximal saved data also
(setq desktop-globals-to-save
      (append '((extended-command-history . 50)
                (file-name-history        . 100)
                (grep-history             . 50)
                (compile-history          . 50)
                (minibuffer-history       . 50)
                (query-replace-history    . 50)
                (read-expression-history  . 50)
                (regexp-history           . 50)
                (regexp-search-ring       . 30)
                (search-ring              . 30)
                (shell-command-history    . 50)
                tags-file-name
                register-alist)))
------------------------------>%