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I need to add some line to nano .bash_profile in Terminal. Then:

1) I enter with this command line: nano .bash_profile

2) Add the line I need

3) now I don't know how to Save and Exit

I thought it is :w + enter. If this is correct I need some direction to use it.

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I'm using control+O to save..but it keep asking 'File Name to Write: .bash_profile So how to make sure the 'edited' .bash_profile file is saved? –  user23922 Jun 13 '12 at 4:45
    
Just press 'Enter' then –  patrix Jun 13 '12 at 5:27

2 Answers 2

up vote 12 down vote accepted

No, :w is a /usr/bin/vi command. Use the combination control+x to exit. You will be prompted to save the file if you have made unsaved changes.


Nano is intended to be a bit friendlier / simpler to new users than vi/vim or emacs which both cater to more power users that have spent time learning how to use them effectively.

To get started in nano - look for commands along the bottom of the window when nano is open. (^ stands for the control key)

^X      (F2)            Close the current file buffer / Exit from nano
^O      (F3)            Write the current file to disk
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If you want to save the changes you've made, press Control+ O. To exit nano, type Control+ X. If you ask nano to exit from a modified file, it will ask you if you want to save it. Just press N in case you don't, or Y in case you do. It will then ask you for a filename. Just type it in and press Enter.

If you accidentally confirmed that you want to save the file but you actually don't, you can always cancel by pressing Control+ Cwhen you're prompted for a filename.

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