In Windows, from a Shell you can type in 'start' to open another shell instance. What is the equivalent command in OS X?

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    This is a superuser question. – user135 Oct 27 '09 at 9:07

⌘N (Command+N).

For the other use of start, to open arbitrary files with their associated application, use open on OS X.

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  • +1 .... side question what's the equivalent of windows Command-R to start programs like an initial shell? Right now, I use spotlight or google desktop shell. – Kenny Oct 27 '09 at 9:20
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    I use spotlight, Command+Space, type a few letters, select top hit. Some people use a launcher like Quicksilver for this purpose. – Greg Hewgill Oct 27 '09 at 9:25
  • I use/love Google's quick search box (similar to Quicksilver, made by the author of Quicksilver who now works for google...): code.google.com/p/qsb-mac – Zoran Oct 28 '09 at 6:42

From Finder to the following:

  1. Finder -> Applications -> Utilities -> Terminal (This opens he terminal application).
  2. To open a new terminal window ⌘N (Command +N)
  3. To open a new tab within the existing window ⌘T (Command+T)
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open /Applications/Utilities/Terminal.app
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open /Applications/Utilities/Terminal.app will open a window if there is none, but it won't start another Terminal instance.

osascript -e "tell app \"terminal\"" -e "do script\"\"" -e "end tell" will tell the running instance to open a new window.

Ugly, but functional.

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Here is a way to start a command (in my case tail ing a log file) and keep it running:

echo "tail -n 70 -f /tmp/livy.log" >> /tmp/xyz && chmod u+x /tmp/xyz && open -a /Applications/utilities/Terminal.app /tmp/xyz

I suppose something similar might be done for keeping a general purpose bash prompt around - along the lines of bash -c <some command>

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Although I suspect that command-N is what you were after, there is also a unix command called screen you can use to detach and attach console sessions. Type man screen to read up on how it works.

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