UEFI Shell解释
UEFI Shell 是一个提供用户和UEFI系统之间的接口，进入UEFI Shell可以对计算机系统进行配置
命令解释：
单独的help就可以输出所有指令，不做特殊说明，内置命令的命令行参数中的数值使用的是十六进制，和Linux不同的是不区分大小写。
常用命令解释如下：
| ver | will show the shell version | 展示shell的版本号 |
| reconnect -r | all EFI drivers should be reconnected | 重新连接EFI驱动 |
| alias | all Alias should be displayed | 显示，创建，删除别名 |
| dmem | memory contents are displayed | 显示内存目录 |
| connect | some devices are connected ,drivers startsand status is shown | 连接驱动程序和设备 |
| cp | copy some files to another location | 复制文件 |
| date | can show the local current date | 显示当前或者系统的日期 |
| devices | show system devices | 显示EFI驱动程序管理的设备 |
| devtree | devices are shown in a tree format | 显示设备树 |
| dh | display the handles | 显示设备句柄 |
| disconnect | a device has been disconnected | 断开驱动程序与设备的连接 |
| dmpstore | display the nvram variables | 管理UEFI NVRAM变量 |
| drivers | systemdisplay the list of the drivers that follow the EFI driver model | 显示设备驱动 |
| drvcfg | invoke the driver configuration protocol | 调用驱动程序配置协议 |
| drvdiag | display the available diagnostics | 调用驱动程序诊断协议 |
| echo | system can turn off or turn on the echo | 关闭或者打开回显 |
| edit | can open the file and can edit it | 能够打开文件并且编辑它 |
| eficompress | system can compress the file . ex:eficompress 11.txt 11.zip | 压缩文件 |
| efidecompress | system can decompress the file . ex:eficompress 11.zip 11.txt | 解压文件 |
| hexedit | the file is open in a hex editor | 用十六进制编辑文件，块设备或者内存区域 |
| ls | system can display the list of files on the drive | 列出目录内容或者文件信息 |
| map | system can map all devices | 映射设备到设备路径 |
| mem | system show part of the memory | 显示memory信息 |
| mode | show the available modes | 显示控制台输出设备的模样 |
| mount | system mounts a file on a block device | 在块设备上挂载文件 |
| mv | move a file from a location to another location | 移动一个文件从一个地方到另一个地方 |
| touch | update time and date of a file to the system time and date file | 更新当前时间更新文件或者目录的文件 |
| pci | system show the pci devices | 显示PCI设备 |
| rm | remove a file | 删除文件 |
| stall | system stall for the number of microseconds | 停止处理器几微秒 |