If you are new to something than you would be willing to learn - ain't you?!
now cdange into your home directory
ls -al | grep .bashrc
If you don't find it that way create it right there ...
and redefine your path i.e under bash
the same you do with your MAN_PATH and so on
!!! BUT CAUTION !!!
putting PATH in your .bashrc will append the PATH each time you run a terminal, so it's better idea to use
.bash_profile, whilch should be also in your home directory
!!! LEARN !!!
the DOT files under linux are hidden (system) files and not visible