thanks reply . i managed to find http://qiita.com/yuku_t/items/77c23390e52168a2754a .
perhaps
1) chsh -s zsh
2) edit .zshrc
fpath .....or FPATH ..... /usr/local/share/zsh/5.0.5/functions/
autoload ...genisoimage
then
genisoimage go
but i do not understand now how to use functons of zsh .
imaginatin only
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tuyosi

