This includes a CD-ROM (used for a CD installation) mounted under the QOPT directory in the IFS.
这包括一个安装在IFS中的QOPT目录下的CD - ROM(用于CD安装)。
You can copy the /etc/hosts file that you have just created to a floppy disk or CD-ROM (if you have a writeable CD-ROM drive) and copy that file to the /etc directory of each computer in your LAN.
你可以将 /etc/hosts文件拷贝到软盘或光盘（如果你拥有一个光盘刻录机）上，然后再从软盘或光盘上拷贝到待配置计算机的 /etc目录下。
If you type CD followed by nothing, CD will change the working directory to your home directory.
如果你输入的命令cd后面，没有跟什么内容，(那么)cd命令将会把工作目录转到你的家目录下。
Your home directory is stored in the variable $HOME. That means that the cd command without parameters is equivalent to typing cd $HOME (see Listing 12).
主目录保存在变量 $HOME 中，这意味着不带参数的cd命令相当于运行 cd $HOME（参见清单 12）。
cd /usr/local goes there. cd ~ goes to the home directory of the person logged in--e.g., /usr/home/jack.
cd /usr/local表示到/usr/local目录. cd ~去登陆用户的home目录——比如，/usr/home/jack。
cd /usr/local goes there. cd ~ goes to the home directory of the person logged in--e.g., /usr/home/jack.
cd /usr/local表示到/usr/local目录. cd ~去登陆用户的home目录——比如，/usr/home/jack。
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