About mobile Rom

Luo's hammer OS has been on fire in recent days, but some non-IT workers may not understand the hammer OS Rom that has been mentioned in news reports. In fact, Rom in mobile phones and computers (laptops, desktops, servers, etc.) mean read-only memory for short. It is a kind of memory, similar to what we usually call Memory stick and hard disk stick, data can be stored, but the ROM and memory stick are different. Even if the data in it is shut down or powered off, it will always exist, the data in the memory will be lost once a power failure occurs. In addition, the content in the Rom is generally only allowed to read, but not to write. However, with special means, you can still modify the content in the Rom. Generally, you can use a program on your computer to modify the content in the Rom, which is also called a flash brush.

A complete Rom root directory usually contains several folders and files:

Data:
Directory where the user installs the application

META-IN: System related information directory, general custom a ROM to modify the system version information are in this

System: the directory of the system, which is equivalent to the Windows folder of the PC system.

Boot. IMG:
It is an image file, which is the so-called kernel core. It is usually used when Rom is transplanted.

Reference: http://www.pconline.com.cn/pdbk/itbk/sjtx/sj/1109/2517782.html