fix backward-kill-word
restructure bash/zsh configs
highlight 80th column in vim
allow open specific line
add m4 syntax for vim
use vim as fallback editor
disable ghci start by default
add_path for erlang
add switch to window script since openbox don't have such action
show some key bindings by key_help
use vim pipe instead of less
add stail/shead - screen size tail/head functions
add some podcast recording routines