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Linux System Administration phần 8

và mgetty trả lời tin nhắn kết nối một modem bằng cách chạy chương trình đăng nhập Linux trên cổng nối tiếp. Loại bỏ các tham số r-từ dòng / etc / inittab lại cho phép việc sử dụng các lệnh cấu hình modem. Quản trị viên của nhật ký: Chấp nhận Đăng nhập hệ thống từ xa: E12345678 hành động: | can then select the programs by clicking the desktop background or by selecting the program from a menu provided at the top or bottom of the screen. Virtual desktops Most window managers include some means of controlling multiple virtual desktops. Typically you can click small icons to select one of several desktops each of which has its own set of windows. You can therefore devote one desktop to one set of related applications and another to another set reducing the clutter on your screen. Some of these window manager features particularly the last few may be duplicated or supplanted by desktop environments. If you don t want to use a full desktop environment though the availability of these features in window managers can be very helpful. Most window managers provide similar functionality but details differ. Some such as Enlightenment http www.enlightenment.org are designed to provide maximal eye candy they include extensive features to alter the appearance of windows. Others such as wm2 http www.all-day-breakfast.com wm2 are visually and even functionally Spartan. Figures 13.4 and 13.5 illustrate how radically different two window managers can appear. Figure 13.4 shows a text editor window running in Sawfish the default window manager for GNOME. Most of the illustrations in this book show Sawfish windows. Figure 13.5 shows the same text editor running in wm2. Widget Drag Bar XF86Config-4 read only -Hte Edit. Search- Preferawtes Shell Macro Windows Widgets Help Section InputDevice Identifier Driver Option Option Option Option Endsection MouseO mouse Protocol PS 2 Device dev psaux ZAxi sMapp ing 45 Emulate3Buttons no _ X Section Monitor Identifier VendorName ModelName HorizSync I VertRefresh Option dpms MonitorO Monitor Vendor Monitor Model 27.0-115.0 50.0-160.0 1400x1050 1400x1050 60Hz 65.8 kHz hsync Modeline 1400x1050 129 1400 1464 1656 1960 1050 1051 1054 1100 HSync VSync 1400x1050 O 70Hz 76.8 kHz hsync Modeline 1400x1050 151 1400 1464 1656 1960 Border Resizes