December 2019
Beginner to intermediate
864 pages
27h 45m
English
Content preview from macOS Catalina: The Missing Manual
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Appendix A. Appendix A Installing macOS Catalina
If your computer came with macOS Catalina already installed, you can skip this appendix—at least for now. But if you’re running an earlier version of the Mac operating system, this appendix is for you. It describes how to install the new OS on your Mac.
If you’re new in these parts, you may be in for a shock: You can’t buy macOS on a DVD. You download it from the Mac App Store.
There are some attractive elements to that system. For example, there’s no copy protection and no serial numbers to type in. There’s no cost to Apple for manufacturing or shipping, which may explain why Catalina isn’t even $20 or $30—it’s free.
There’s no disc to hunt down when you want to install macOS again (onto a new Mac, for example). And when you do need a copy again, you’ll download the latest version—10.15.3 or whatever it is—instead of having to install whatever updates have come out since you got your DVD.
(And what if you don’t have a fast internet connection for downloading macOS? The world won’t come to an end; read on.)
Hardware Requirements
For starters, you need to make sure you and your Mac have what it takes to handle Catalina. It has the same requirements as the previous version, Mojave:
A Mac that’s not a geezer. Catalina can run on any Mac laptop, iMac, or Mac Mini made since mid-2012, and any Mac Pro made since mid-2013.
Free storage space. You need at least 12.5 GB free on your Mac if you’re upgrading from El Capitan, Sierra, High ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.