When you type a command in a shell, you can include other characters that change or add to how the command works. In addition to the command itself, these are some of the other items that you can type on a shell command line: Options — Most commands have one or more options you can add to change their behavior. Options typically consist of a single letter, preceded by a dash.You can also often combine several options after a single dash. For example, the command ls -la lists the contents of the current directory. The -l asks for a detailed (long) list of information, and the -a asks that files beginning with a dot (.) also be listed. When a single option consists of a word, it is usually preceded by a double dash (--). For example, to use the help option on many commands, you enter --help on the command line.Keystrokes for Navigating Command Lines, Linux, installation and instructions, open source, ubuntuland, operanting system, linux distributions, google, linux shell

Using the Linux shellBefore icons and windows took over computer screens, you typed commands to run most computers.On UNIX Working with the Linux file systems, from which Linux was derived, the program used tointerpret and manage commands was referred to as the shell.Using the vi text editor in LinuxNo matter which Linux distribution you are using, you can always count on one thing being available to you: the shell. It provides a way to run programs, work with file systems, compile computer code, operate a system, and manage the computer. Although the shell is less intuitive than common graphic user interfaces (GUIs), most Linux experts consider the shell to be much more powerful than GUIs. Shells have been around a long time, and many advanced features have been built into them.

Understanding LinuxIn your hands, you have a dozen Linux distributions (on CD and DVD), thousands of applications, and descriptions to Using Linux launch and get started with it all. For you right now, the worldwide Linux phenomenon is just a reboot away.Linux myths, legends,and FUDLinux is ready for prime time. Are you ready for Linux? Well,whether you know it or not, you probably run into Linux ever yday. When you buy a book from Amazon.com or search theWeb with Google, you use Linux. You use Linux in your TiVowhen you record TV shows and Linux may be running the PDAin your pocket. Animations you saw in the movie Shrek 2 werecreated by hundreds of Linux workstations and rendered by aserver farm of hundreds of other Linux systems.