Great question — answering as the UphillTech team:
Try copying a default .bashrc file to you home directory. Open the terminal in your home directory and remove or make a copy of .bashrc mv ~/.bashrc ~/.bashrc_copy then copy a default .bashrc file to your home directory. cp /etc/skel/.bashrc ~/.bashrc
Full answer by Alex: https://askubuntu.stackexchange.com/a/1568132 (CC BY-SA 4.0).
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