And although they can change
backgrounds, colors, and other elements of your desktop, most of the ways of navigating
a KDE or GNOME desktop stay the same, regardless of which Linux you use.
A shell is a shell??”Although you can put different pretty faces on it, once you open a
shell command-line interpreter (such as bash or sh) in Linux, most experienced Linux or
UNIX users find it pretty easy to get around on most any Linux system. For that reason, I
recommend that if you are serious about using Linux, you take some time to try the shell
(as described in Chapter 2). Additionally, Chapters 24??“27 focus on command-line and
configuration file interfaces for setting up servers, because learning those ways of configuring
servers will make your skills most portable across different Linux systems.
Some of the ways that Linux distributions distinguish themselves, however, are with the installers
they use, their package management tools, and system administration tools. Also, distributions such
as those sponsored by Red Hat will include new features developed by its sponsors to meet its
commercial needs. For example, Red Hat has done a lot of work that is useful for enterprise computing
environments, such as virtualization, global file systems, and software distribution tools.
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