git clone git://github.com/t2/dotfiles ~/.dotfiles cd ~/.dotfiles rake install
I am running on Mac OS X, but it will likely work on Linux as well with minor fiddling. I primarily use zsh, but this includes some older bash files as well. If you would like to switch to zsh, you can do so with the following command.
chsh -s /bin/zsh
If there are some shell configuration settings which you want secure or specific to one system, place it into a ~/.localrc file. This will be loaded automatically if it exists.
There are several features enabled in Ruby’s irb including history and completion. Many convenience methods are added as well such as “ri” which can be used to get inline documentation in IRB. See irbrc and railsrc files for details.