Need help to change the command prompt. I want short name. Look below :

kirti@kirti-Aspire-5733Z:~$ cd workspace

kirti@kirti-Aspire-5733Z:~/workspace$ cd Ruby

kirti@kirti-Aspire-5733Z:~/workspace/Ruby$

I am looking for my initial command prompt, when I will open it using 'Ctrl+Alt+t' as

 $(arup):

 $(arup): cd workspace

 $(workspace): cd Ruby

 $(Ruby) :

In my ~/.bashrc file did put as below :

if [ "$color_prompt" = yes ]; then

PROMPT_DIRTRIM=1

PS1='w $ '

else

PS1='w $ '

By replacing

if [ "$color_prompt" = yes ]; then

    PS1='${debian_chroot:+($debian_chroot)}[033[01;32m]u@h[033[00m]:[033[01;34m]w[033[00m]$ '

else

    # PS1='${debian_chroot:+($debian_chroot)}u@h:w$ '

    PS1='arup :w$ '

fi

unset color_prompt force_color_prompt



# If this is an xterm set the title to user@host:dir

case "$TERM" in

xterm*|rxvt*)

    PS1="[e]0;${debian_chroot:+($debian_chroot)}u@h: wa]$PS1"

    ;;

*)

    ;;

esac

But I didn't find any change in my shell:

May I have some help to configure the above settings ?