tailieunhanh - Learning the vi editor Print version 5

Trong khi đang làm việc trong vi có thể phát sinh một nhu cầu để chạy một lệnh hệ điều hành. Trong những ngày này hiện đại này không phải là một vấn đề lớn. Người ta có thể mở một cửa sổ thiết bị đầu cuối và làm như hài lòng. Tuy nhiên, điều này là không cần thiết khi làm việc với vi. Vì, như rất nhiều các | Learning the vi editor Print version - Wikibooks http w title Learning_the. VIM Help system vim is a very feature rich application. Unlike the vi editor it includes a help system. Because the help system will allow you to teach yourself much more than any book on vim possibly could you will benefit from the power of the vim editor much more if you learn to use it. On a normal vim installation you should be able to start the online help by pressing the HELP key . If your keyboard does not feature a HELP key then you can try F1 instead. Some system administrators may have changed how vim behaves. If you cannot get into vim s help system with these commands perhaps your administrator can help. I help Start vim and enter command mode by pressing escape. To get help on any command simply type help command. For example if you would like to learn all the different ways the x command can be used you could type h x. To move around in the help files the same keys work h j k l . To leave the help files type quit. If you know you want to do something but you aren t sure what the command might be you can type partial commands like this help cut. To learn to switch text from upper case to lower case you could type help lowercase When you search for help on any subject vim will normally by default create a window buffer which you can navigate just like any window in vim. You can close the help window by typing quit or q and pressing enter. The default help file shown when you type help explains basic navigation for vim and for vim s help files. Modes VIM offers more modes than vi which offers only the normal insert and command-line modes . Theses additional modes make VIM more powerful and easier to use because of this vim users should at least be aware that they exist. NOTE If you ever enter a mode you are unfamiliar with you can usually press ESC to get back to normal mode. Here a short overview of each mode available in vim Name Description