A simple perl scr ipt for periodically changing gnome desktop background. Now it supports all properties set to an image via menu "System->Preferences->Desktop Background".

在单文档里通过菜单调取字体对话框设置文档字体。程序简单，一看就懂。-In a single document retrieval via the menu in the Font dialog box to set the document font. Simple procedures, one can understand.

communication GUI and embedded system via serial port