Prompt et listing LS :

edit the .profile file and add :

PS1= »$(whoami)@$(hostname)(\$PWD)$>  »
export PS1

vi support page :
http://www.apl.jhu.edu/Misc/Unix-info/editors/vi/vi.html#SALV

Command history recall :
To start off, run “set -o vi” to set the shell to “VI” or “Insert Mode” mode.
Alt + <k>key to go back
Alt + <j> key to go forward