『第 2 楼』:
使用 LLM 解释/回答一下
1. EXTRACT.EXE。实际上，Windows 98超级启动盘中也带有这个命令，？这个在DOS6.22中就已经出现的命令，原本只是微软开发的专门解压CAB压缩包的一个命令，不过它的功能可不仅仅只是解压缩，我们更多的是利用它来恢复光盘光盘中的系统文件。（假如你能进入图形界面，当然可以使用SFC，它的功能更为强大、方便）
下面是笔者统计的EXTRACT.EXE命令的使用参数和命令格式：
命令参数
使用说明
/Y
覆盖已存在文件时不再提示
/A
处理全部CAB文件，从指定的第一个CAB文件开始
/D
显示CAB文件中所包含文件的目录，不进行解压缩
/E
解压缩，取代“*.*”，即解压缩所有的文件
/L dir
指定解压缩文件的位置，缺省为当前目录
/C
拷贝CAB文件
当我们知道欲恢复的系统文件在安装光盘中所处的位置时，就可以使用EXTRACT /Y WIN98_27.CAB cdfs.vxd命令（从Windows 98的安装光盘中的名为WIN98_27.CAB压缩包中恢复cdfs.vxd文件）。不过，假如你不知道这个文件所处的准确位置时，就要先使用EXTRACT /D WIN98＿*.CAB（这里的*是代表CAB文件包的数字）对每个CAB文件查看cdfs.vxdg，就比较麻烦了。
1. EXTRACT.EXE. Actually, the Windows 98 Super Boot Disk also has this command. This command, which has been present since DOS 6.22, was originally a command developed by Microsoft specifically to extract CAB compressed packages. However, its function is not just limited to decompression. We mostly use it to restore system files from the CD. (If you can enter the graphical interface, of course, you can use SFC, which is more powerful and convenient in function)
The following is the author's statistics on the usage parameters and command format of the EXTRACT.EXE command:
Command parameters
Usage instructions
/Y
No prompt when overwriting existing files
/A
Process all CAB files, starting from the specified first CAB file
/D
Display the directory of files contained in the CAB file without decompression
/E
Decompress, replace "*.*", that is, decompress all files
/L dir
Specify the location to decompress the file, default is the current directory
/C
Copy the CAB file
When we know the location of the system file to be restored in the installation CD, we can use the command EXTRACT /Y WIN98_27.CAB cdfs.vxd (to restore the cdfs.vxd file from the compressed package named WIN98_27.CAB in the Windows 98 installation CD). However, if you don't know the exact location of this file, you need to first use EXTRACT /D WIN98＿*.CAB (here * represents the number of the CAB file package) to check cdfs.vxdg for each CAB file, which is more troublesome.
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