Nano command problem


after i open the php.ini with nano editor
nano /…/php.ini
i want to search inside the document pressing ^W nano hot-key
the whole chrome browser get closed …
so its a key-bindings conflect beween nano and the browser …
i tried to open the php.ini in the c9 ide by clicking on the file name but that give me “no files found that match /etc/php5/apache2/php.ini”