#Command line for mac tutorial mac os x#
#Command line for mac tutorial update#
#Command line for mac tutorial software#
#Command line for mac tutorial license#
#Command line for mac tutorial windows#

It is commonly called the “bash profile”. ~/.bash_profile is the name of file used to store environment settings. You can think of this as “command to command” redirection. The | takes the standard output of the command on the left, and pipes it as standard input to the command on the right. You can create your own custom functions in Zsh Shell, lets start with 'Hello World' example,

#Command line for mac tutorial windows#

Let's see one more example, if you are used to using cls command on Windows Command Line, you might find it useful to set it as an alias to so you can use either of cls or clear. Open ~/.zshrc file and add the below line, alias desktop='cd /Users/code2care/Desktop'Īpply the changes 'source ~/.zshrc', now if you desktop will run as a command, % desktop Example:ĭesktop: Most often I save files on my desktop, so whatever directory I am and I want to go to desktop this alias takes me there,

There are many commands that we use in Terminal often that may have many parameters (optional parameters) or are hard to remember and may take a while to type, alias command can help you to create shortcuts or name such commands with aliases that can help you speed up. zshrcĪs you must have realised from its name, this file is read at the time of exiting the zsh shell. You can also place aliases here.Īs discussed earlier. The variables that not to shared across programs can be set here. setopt and unsetopt commands can be used here. zshrc is the one that is associated with the interactive shell.

~/.zshrc : Zsh Interactive shell configuration file.

Note: It is recommended that you do not use both. zshrc, you can also use this file as an alternative to. zlogin, except that it is source before the. PROD_ENV_DIR=/usr/bin/mydir Apply changes: % source ~/.zshenv Testing: % echo $PROD_ENV_DIR Example: % nano ~/.zshenv Adding PATH and other environment variables: PATH=$PATH:/opt/homebrew/bin All variables that are shared across programs can go in here. The most commonly used $PATH, $JAVA_HOME, $ZDOTDIR environment variables can go in here. zshenv file is always sourced, so it is the ideal file to place all your environment variables. Just like bash, Zsh shell has a list of startup files that helps to create the environment you interact with. The name zsh has been derived from the name of professor Zhong Shao of Yale University. The first version of Zsh was written by Paul Falstad in the 1990

Zsh is also a powerful scripting language. Zsh is incorporated with most of the features from bash, zsh, tcsh and sh shell along with many new features. Zsh shell is shipped as the default login and interactive shell with Apple macOS since Catalina Zsh, read as Z shell is a Unix Shell (Bash is a Unix Shell as well) Zsh shell had been getting popular among users and its licensed under MIT-Modern-Varian What is Zsh?

#Command line for mac tutorial license#

GNU Free Documentation License Version 3, 29 June 2007.

GNU Free Documentation License Version 2, November 2002.

Why? Though Apple have not provided the reason for it, it is clear if you see the license of Bash v3.2 it is GPL v2 (General Public Licence) where as all Bash versions released after it are GPL v3.

#Command line for mac tutorial software#

GNU bash, version 3.2.57(1)-release (arm64-apple-darwin21)Ĭopyright (C) 2007 Free Software Foundation, Inc.Īs you can see that the version for Bash is quite old 3.2 that was released back in the year 2006!, while we have version 4 that was in year 2009 and version 5 in the year 2019. Now let me see the version of Bash that's shipped with macOS Monterey 12.2, % sw_vers To know why, lets go to the GNU page for Bash and look for its releases: Bash Version

#Command line for mac tutorial update#

To update your account to use zsh, please run `chsh -s /bin/zsh`.īash-3.2$ Why Bash was replaced by Zsh Shell in macOS? The default interactive shell is now zsh. If you move from Zsh shell to bash you will see a warning 'The default interactive shell is now zsh' % bash Though Bash is still shipped with all the macOS ever since Catalina till date (macOS Monterey being the latest release), when you open the Terminal app you will see that the prompt as a Percentage (% = Zsh) and not Hash (# = Bash)

#Command line for mac tutorial mac os x#

When Apple released macOS Catalina at WWDC 2019 on October 7, 2019, it was shipped with Zsh shell as the default login shell and interactive shell, replacing the Bash shell which had been the default shell since the Mac OS X Panther that was released in year 2003.

Why Bash was replaced by Zsh Shell in macOS?.