Sooner or later every computer user has to face with the command line and the problem of how to call the command line.And if the first encounter with the console may seem a terrible, after a brief introduction - it can greatly simplify your work on the computer and allow deeper to learn the functionality of the operating system.
familiarize itself with the command line (the same terminal or console) is necessary because you need to understand what it is all about, what you need, and how to invoke the command line under a particular operating system.
So the console - is a kind of software (runtime character-based), whose main goal - to provide direct interaction between the operating system and the user of this system.
Command Line Windows 7 teams which are similar for all Windows OS family, represented by the command interpreter cmd.exe.How to call the command line in this case - is a question that does not cause difficulties, because judging is already in name only, you can say that it is with the command cmd.exe.After its launch before the user appears black window with the prompt, where you need to enter commands.
What can be done from the command line?Yes, all the same as with conventional graphical user interface.It is logical that the user can be asked about how, why use it.First of all it will greatly reduce the use of computer memory that can affect system performance.Secondly, very often type a command in the console is much faster and easier than looking for the same functionality in the operating system.For example, to learn the ip-address of the machine in the terminal just type a single command ipconfig, while the graphical interface to search for such information a standard user requires at least spend a few minutes.
Linux command line appearance is no different from the command line Windows.However, despite this, it has a different set of commands, the purpose of which is similar as discussed in the above system.Start a command shell, in this case, you can select the application from the main menu "Terminal" or by using hot keys (Ctrl + Alt + F1).
It is worth noting that some of the commands can be executed only by administrator or root.How to call the command line as root?Yes, it is elementary.In Windows, just click the right mouse button on the icon and select "Run as administrator", and to Linux - in the terminal type the command sudo, and then enter the password root.
Despite the many advantages of a command line to work with it would be nice not to all users, especially those who are accustomed to a rich graphical user interface, as many black screen who may seem rather boring and ordinary.Therefore, use it or not - it is already necessary to the user on the basis of its task, and the options for its implementation.
