whiptail or dialog I am going to create a script which will use user input, so I decided to use `whiptail`. But now I'm a little bit confused about which one is portable and will work on Ubuntu 10.x and higher and CentOS 5.x and higher. I know `read`, but I want a tool like `dialog`. If anybody knows any alternative just let me know.

`whiptail` is installed by default on most deb-based systems, while `dialog` is not.

Afair, on rpm-based `whiptail` is also default dialog app.

I guess it matters for you.

So `whiptail` is the right choice from point of portability.

Also `whiptail` is based on `newt`, while `dialog` is based on `ncurses`. From my point of view, the first one is more beautiful (: