爱师软件工作室的教材管理系统源码

				
				close all
				set talk off
				set safety off
				
				use .\data\js
				copy to .\bak\jsbak
				copy to .\bak2\jsbak
				use
				
				use .\data\cs
				copy to .\bak\csbak
				copy to .\bak2\csbak
				use
				
				use .\data\fs again
				copy to .\bak\fsbak
				copy to .\bak2\fsbak
				use
				
				use .\data\bjfsmx
				copy to .\bak\bjfsmxbak
				copy to .\bak2\bjfsmxbak
				use
				
				wait window "  备份完成...                       " nowait
				set talk on
				set safety on
				close all