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I’m using iTerm and wanted to customize the look of my terminal window using Oh My ZSH!. And according to the documentation I need to change the ~/.zshrc file and add a ZSH_THEME value:

Once you find a theme that you want to use, you will need to edit the ~/.zshrc file. You'll see an environment variable (all caps) in there that looks like:

ZSH_THEME="robbyrussell"

The problem is I don’t know where to find the ~/.zshrc file.

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  • 1
    The tilde (~) refers to your home directory where .zshrc is typically installed and checked for. That's your per-user file that you can create and change to your liking. There's also a global config one in /etc/zshenv, but I wouldn't touch that one.
    – Erikster
    Mar 6 '15 at 0:16
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The ~/.zshrc doesn’t exist by default in macOS so you need to create it. The ~/ translates to your user’s home directory and the .zshrc is the ZSH configuration file itself.

So just open up a Terminal — or iTerm — window and create that file like this; I am using nano as a text editor but feel free to use whatever text editor you feel comfortable with:

nano ~/.zshrc

And then set the ZSH_THEME value to whatever value you want to use like this:

ZSH_THEME="robbyrussell"

Now to save the file in nano just hit ctrl+X. When it prompts:

Save modified buffer (ANSWERING "No" WILL DESTROY CHANGES) ?

Just type “Y” and then you will get a new prompt which looks something like this; just note the path /Users/giacomo/ will match your local user’s path:

File Name to Write: /Users/giacomo/.zshrc

Now just hit return and the file will be saved and you will now be back to the command line prompt in the Terminal. If you now exit from the Terminal and then open a new window, the ~/.zshrc settings should now be loaded in.

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14

The .zshrc file is not present by default in macOS Catalina, we need to create it.

Steps for creation:

  1. Open Terminal
  2. Type touch ~/.zshrc to create the respective file. (touch command will create the .zshrc in your current directory but it will be hidden)
  3. Hit Return

To view/open ~/.zshrc you can do either of two things:

  1. Open Finder > Press Cmd+Shift+.

Or:

  1. Open Terminal > and type: open ~/.zshrc
7

I am using macOS High Sierra, MacBook Pro.

After I installed a Theme, I also needed to change the ZSH_THEME.

For me, ~/.zshrc was already present in my Home directory, but it was Hidden.

I used Cmd + Shift + . to show the hidden files in Finder, then opened the ~/.zshrc files with my editor. Updated it and saved it. It worked fine.

4

"oh-my-zsh" now creates ~/.zshrc automatically now. Immediately afterwards on my OSX Catalina Macbook I executed:

vi ~/.zshrc

And the file was already there; no manual intervention to create it was required on my part.

And directive ZSH_THEME you require was already present:

# Set name of the theme to load --- if set to "random", it will
# load a random theme each time oh-my-zsh is loaded, in which case,
# to know which specific one was loaded, run: echo $RANDOM_THEME
# See https://github.com/ohmyzsh/ohmyzsh/wiki/Themes
ZSH_THEME="robbyrussell"
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  1. Opening iTerm
  2. You write cd and immediately appear in your account directory to check, write pwd (it is very useful to know this command to understand the directory tree).
  3. Now write ls -la - will display a list of all files (-la will display along with hidden files).
  4. Find the .zshrc file. You can read the contents with cat ~ / .zshrc. Edit: vim ~ / .zshrc. To edit in vim press the i button, to save the changes - esc +: qw.
  5. Done

Useful Links: [Commands in Terminal] (https://www.makeuseof.com/tag/mac-terminal-commands-cheat-sheet/) [Getting started with vim] (https://opensource.com/article/19/3/getting-started-vim)

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