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gistfile1.txt

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PS1="\[\033[32m\][\w]\[\033[0m\]\n\[\033[1;36m\]\u\[\033[1;33m\]-> \[\033[0m\]"

in bash shell, type (note the space at the end)

export 

and then copy the string from above after it, like this:

export PS1="\[\033[32m\][\w]\[\033[0m\]\n\[\033[1;36m\]\u\[\033[1;33m\]-> \[\033[0m\]"

and hit enter

to persist these settings, edit .profile under your home directory and add this to the bottom of the file

export PS1="\[\033[32m\][\w]\[\033[0m\]\n\[\033[1;36m\]\u\[\033[1;33m\]-> \[\033[0m\]"

to edit .profile, do this:

cd ~
nano .profile
CTRL-o to save
CTRL-x to exit nano

You will need to do this both for your normal user's .profile and root's .profile if you want it to persist in both places