Terminal prompt changed
nano .bash_profile


Then add:

export PS1=" "


Between those quotation marks, add any of the following between the quotation marks of export PS1=" ":

\d – Current date
\t – Current time
\h – Host name
\# – Command number
\u – User name
\W – Current working directory (ie: Desktop/)
\w – Current working directory with full path (ie: /Users/Admin/Desktop/)


Also you can customize the look and feel of terminal, or restore the defaults in Terminal > Preferences > Profiles

http://osxdaily.com/2006/12/11/how-to-customize-your-terminal-prompt/