Expand memory of you .bash_history
Expand the "memory of your .bash_history to 2000 lines adding this on your .bashrc:
export HISTFILESIZE=2000 export HISTSIZE=2000
Easy search using arrows
Create a .inputrc, or edit your /etc/inputrc, with :
"\e[A": history-search-backward "\e[B": history-search-forward
Next logon you'll be able to search command by start to write them and use up/down arrows.
"\e[1;5A": history-search-backward "\e[1;5B": history-search-forward
Will allow you to use ctrl+up/down arrows (and your up/down arrows will work as usual).