Note to self – How to Clear the Terminal History on Linux or macOS

Copy from https://www.howtogeek.com/179022/how-to-clear-the-terminal-history-on-linux-or-mac-os-x/ as a note to self

Clear the Current Session's History
Your history can be broke down into two chunks. There's your current sessions' history, and there's your long-term history. Our first command, history -c, deals with the current session.

Clear All of Your Bash History
If you want to remove the entirety of your history, run the following command:
rm ~/.bash_history

Use open ~/.bash_history to view and edit