* formatǽ
* here document
* perlΤ褦setuid check
* trBSDɤ(ޤcopyrightϤäꤵ)
* Ŭڤsignal handling
* dlnCOFFб
* rubyѿhookμ¸
* write debugger for ruby
* re-write regex code for speeding
* byte code interpretor
