Linux runs on everything from supercomputers to cell phones
and everything in between. Many countries are rediscovering their freedom of choice and
making the switch at government and educational levels. France, Germany, Korea, and
India are just a few that have taken notice of Linux. The list continues to grow.
There are some aspects of Linux that make it hard for some new users to get started. One is that
Linux is typically set up to be secure by default, so you need to adjust to using an administrative
login (root) to make most changes that affect the whole computer system. Although this can be a
bit inconvenient, trust me, it makes your computer safer than just letting anyone do anything. This
model was built around a true multiuser system. You can set up logins for everyone who uses your
Linux computer, and you (and others) can customize your environment however you see fit without
affecting anyone else??™s settings.
For the same reason, many services are off by default, so you need to turn them on and do at least
minimal configuration to get them going. For someone who is used to Windows, Linux can be difficult
just because it is different from Windows. But because you??™re reading this book, I assume you
want to learn about those differences.
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