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#HOW DO YOU UPGRADE YOUR MAC OS FOR FREE INSTALL#
#HOW DO YOU UPGRADE YOUR MAC OS FOR FREE SOFTWARE#
#HOW DO YOU UPGRADE YOUR MAC OS FOR FREE DOWNLOAD#
#HOW DO YOU UPGRADE YOUR MAC OS FOR FREE FREE#

Use the less command to review the installation script so you understand what it will do"

#HOW DO YOU UPGRADE YOUR MAC OS FOR FREE DOWNLOAD#

Rather than displaying the contents to the screen, the -o switch saves the contents into the file you specify.īefore running a script you’ve download from the Internet, you should review its contents so you know what the script will do.

The -o switch specifies a local filename for the file.

If the server reports that the requested page has moved to a different location, it’ll automatically execute the request again using the new location.

The -L or -location flag will tell curl to handle redirects.

The -s or -silent flag mutes curl so that it does not show the progress meter, and combined with the -S or -show-error flag it will ensure that curl shows an error message if it fails.

The - f or -fail flag tells the Terminal window to give no HTML document output on server errors.

Let’s walk through the flags that are associated with the curl command: The command uses curl to download the Homebrew installation script from Homebrew’s Git repository on GitHub.

#HOW DO YOU UPGRADE YOUR MAC OS FOR FREE INSTALL#

To install Homebrew, you’ll download an installation script and then execute the script.įirst, download the script to your local machine by typing the following command in your Terminal window: Step 3 - Installing and Setting Up Homebrew Then the tools will download and install automatically.

#HOW DO YOU UPGRADE YOUR MAC OS FOR FREE SOFTWARE#

You’ll be prompted to start the installation, and then prompted again to accept a software license. You won’t need Xcode to use Homebrew, but some of the software and components you’ll want to install will rely on Xcode’s Command Line Tools package.Įxecute the following command in the Terminal to download and install these components: Xcode is an integrated development environment (IDE) that is comprised of software development tools for macOS.

Step 2 - Installing Xcode’s Command Line Tools Now that you have the Terminal running, let’s install some additional tools that Homebrew needs. The command line interface on macOS is very similar, and the concepts in that tutorial are directly applicable. To get more comfortable using the command line, take a look at An Introduction to the Linux Terminal. Alternatively, you can use Spotlight by holding down the COMMAND key and pressing SPACE to find Terminal by typing it out in the box that appears. From here, double-click the Terminal application to open it up. Like any other application, you can find it by going into Finder, navigating to the Applications folder, and then into the Utilities folder. To access the command line interface on your Mac, you’ll use the Terminal application provided by macOS. While older versions of macOS may work, they are not officially supported. You will need a macOS computer running Catalina or higher with administrative access and an internet connection. You’ll install system tools and desktop applications from the command line interface. In this tutorial you’ll install and use Homebrew on your Mac. You’ll use Homebrew to install developer tools like Python, Ruby, Node.js, and more.

#HOW DO YOU UPGRADE YOUR MAC OS FOR FREE FREE#

Homebrew is a package manager for macOS which lets you install free and open-source software using your terminal. Package managers keep the software they install in a central location and can maintain all software packages on the system in formats that are commonly used. A package manager is a collection of software tools that work to automate software installations, configurations, and upgrades. While the command line interface on macOS has a lot of the functionality you’d find in Linux and other Unix systems, it does not ship with a package manager.

The command line, also known as a shell, lets you automate many tasks you do on your computer daily, and is an essential tool for software developers. Instead of clicking buttons with your mouse, you’ll type commands as text and receive text-based feedback. The command line interface is a non-graphical way to interact with your computer.