Root sysroot chroot rootfs Parsing

1. Root is the administrator and represents the highest permission. Generally, the system is disabled by default From the security perspective and the root permission is obtained through Su or sudo;

2. rootfs is the root file system. The mount point of the root directory of the Linux system is/, and roofs is a collection of all files under the root directory, which is an organizational unit of a running system.

3. chroot uses the target address as the root directory, which is a running system organization. Of course, shell is required in path.

4. sysroot specifies the temporary root directory during cross-compilation. The specific format is -- With-sysroot =/path. In this way, the path will be treated as the root directory and the relative dependency will be determined, after compilation, it is easy to find dependencies in a normal system.