boot sector

基本解释

It then loads kernels or the boot sectors of other operating systems.
然后它加载内核或者其它操作系统的引导扇区。
If the BIOS boot partition is not present, GRUB 2 instead relies on a list of disk sectors that correspond to a file in your /boot directory.
如果 BIOS 启动分区未显示，GRUB 2 将依赖 /boot 目录中文件对应的一组磁盘扇区。
Secure file sharing locks down the entire contents of a laptop, desktop, external drive, or USB flash drive, including boot sectors, system, and swap files.
安全文件共享锁定了一台笔记本电脑，桌上型电脑，外部驱动器或USB闪存驱动器的全部内容，包括引导扇区，系统和交换文件。