In a world where most of the security vulnerabilities are coming from third-party applications, Windows and Mac machines are at significant risk because they run lots of these apps and those apps aren’t always updated automatically, which leaves the machines open to attacks.
Again, to be clear, both Microsoft and Apple have comprehensive updating systems for their software — both the OS as well as company apps that run on top of the OS. The problem is with the software (programs, extensions, and plug-ins) from other vendors and the inconsistent methods they use for updating their code to protect against known flaws.
With Ubuntu, there’s one comprehensive software updating system. This is possible because Ubuntu has a centralized repository of applications and the only third-party applications that make it into the main repository are the ones that have been tested by Canonical (the company that produces Ubuntu) and are proven to work with the OS. This means that the Ubuntu main repository doesn’t always have the very latest version of Firefox, for example, but you can be sure that the one it does have will typically install easy, work smoothly, and remain updated automatically.
There are also other repositories of applications that you can connect to with Ubuntu, but these are supported by the Ubuntu community or by commercial companies. Still, if you trust them and connect to them, then their updates are also automatically run through Ubuntu’s Update Manager (below). As a result, Ubuntu offers a much more centralized and effective way to keep computers up to date — especially if you stick mostly to the software in its main repository...
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