Verbose bash history

/etc/bashrc

HISTSIZE=4000
HISTFILESIZE=4000

for f in .bash_history .bash_verbose_history; do
        if [ `wc -l $HOME/$f | awk '{print $1}'` -gt 3000 ] ; then
                cp -f $HOME/$f $HOME/$f-`date -I`
        fi
done

if [ -n "$SSH_CLIENT" ]; then
        TTY=`echo $SSH_CLIENT| cut -d \  -f1`
else
        TTY=`tty | sed -e "s:/dev/::"`
fi

PROMPT_COMMAND="${PROMPT_COMMAND:+$PROMPT_COMMAND ; }"'echo `date +"%Y-%m-%d %k:%M:%S"` $USER $TTY "$(history 1)" >> ~/.bash_verbose_history'