After putting vi into command mode, you can type: set number and press Enter to turn line numbering on (see Listing 2).
让vi进入命令模式之后，可以输入：setnumber并按回车来打开行号(见清单2)。
From the menu, you may press e on an entry to edit it, c to switch to a GRUB command line, b to boot the system, p to enter a password, and Esc to return to the menu or to the previous step.
在菜单中的条目上按e 键将编辑条目，按c 键切换到GRUB命令行，按b键引导系统，按p键输入密码，按 Esc 键返回菜单或上一步。
Then press Enter, B, and the kernel will boot up to single-user mode. Once here you can run the passwd command, changing password for user root
然后按Enter 和B，内核会启动到单用户模式。
Now that you are in that directory, you may want to view all of the files and directories first, so you can type in the command dir and press Enter.
现在你将在该目录中，你可能要查看所有的文件和目录首先，所以你可以键入命令迪尔和记者进入。
Press "Enter" and the command line is evaluated and the result is displayed for the variable.
按“回车”和命令行进行评价，结果显示变量。
Press "Enter" and the command line is evaluated and the result is displayed for the variable.
按“回车”和命令行进行评价，结果显示变量。
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