In January of 2018, you can launch macOS’s terminal with the command /Applications/Utilities/Terminal.app/Contents/MacOS/Terminal1 I have (to use) a macOS computer. I choose to use TortoiseHG because it is lovely. TortoiseHG has a “launch the terminal” context menu entry. Under macOS, you need to specify the terminal command that TortoiseHG should use. You need this, in your preference, to launch the terminal in the repo; /Applications/Utilities/Terminal.app/Contents/MacOS/Terminal %(root)s https://stackoverflow.com/questions/4404242/programmatically-launch-terminal-app-with-a-specified-command-and-custom-colors [return]