Web hosting unlimited bandwidth - Chapter 2: Learning the ShellIn This Chapter Opening
Chapter 2: Learning the ShellIn This Chapter Opening terminal windows and virtual consoles Using the Bash shell Learning some Linux commands Writing shell scriptsSometimes things just don t work. What do you do if the GUI desktopstops responding to your mouse clicks? What if the GUI doesn t start atall? You can still tell your Fedora Core system what to do, but you have todo it by typing commands into a text screen. In these situations, you workwith the shell the Linux command interpreter. I introduce the Bash shell(the default shell in Fedora Core) in this chapter. After you learn to work with the shell, you may even begin to like the simplicityand power of the Linux commands. And then, even if you re a GUI aficionado, someday soon you may find yourself firing up a terminal window and makingthe system sing and dance with two- or three-letter commands strung togetherby strange punctuation characters. (Hey, I can dream, can t I?) Opening Terminal Windows and Virtual ConsolesFirst things first. If you re working in GNOME or KDE, where do you typecommands for the shell? Good question. The easiest way to get to the shell is to open a terminal (also called console) window. Both GNOME and KDE panels have an icon to open a terminalwindow, which looks like a monitor. Click that icon to get a terminal window. Now you can type commands to your heart s content. If, for some reason, the GUI seems to be hung(you click and type but noth- ing happens), you can turn to the virtual consoles. (The physical console isthe monitor-and-keyboard combination.) The idea of virtual consoles is togive the ability to switch between several text consoles even though youhave only one physical console. Whether you are running a GUI or not, youcan then use different text consoles to type different commands.
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