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I am trying to create a permanent alias for my terminal. I put the alias in my ~/.profile, ~/.bashrc, and ~/.bash_profile files, previously empty. When I start a new terminal, bash does not recognize the alias, but if I source any of them, it does. Why are these not getting run when I open a terminal? I am on OSX.
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bash_profile is executed to configure your shell before the initial command prompt. But, if you've already logged into your machine and open a new terminal window (xterm) then . bashrc is executed before the window command prompt. .
So, every time you need to initiate the . bashrc File from the beginning, you can do so by pressing Ctrl+Alt+T or opening a new terminal tab, making it all more accessible. At each launch, Bash runs the contents of the . bashrc file to load your preferences.
The quickest way to access it is nano ~/. bashrc from a terminal (replace nano with whatever you like to use). If this is not present in a user's home folder the system-wide . bashrc is used as a fallback as it is loaded before the user's file.
In most cases, the bashrc is a hidden file that lives in your home directory, its path is ~/. bashrc or {USER}/. bashrc with {USER} being the login currently in use. The dot in front of the filename (.
Newer MacOS versions use zsh as the default shell for both Terminal and iTerm2. Run echo $SHELL to confirm if this is the case for you.
Zsh looks for a .zshrc file upon shell startup, so to continue using zsh while sourcing the contents of your bash profile, you can run the following:
echo "source ~/.bash_profile" >> ~/.zshrc Open a new terminal window for the changes to take effect.
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Two things need to happen here when using iTerm to get the loading of dotfiles to work.
First you should add the following to your .bash_profile
[[ -s ~/.bashrc ]] && source ~/.bashrc Secondly you will need to ensure that in iTerm preferences your terminal is set to launch a login shell.
Hope this helps!
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