ESP partition is another way of expressing EFI partition. It is of great significance for installing Win10 in UEFI boot mode.
How many MB is appropriate for Win10 ESP partition? (Recommended learning: PHP video tutorial)
Even if the hard disk is now TB, according to Microsoft regulations and the actual operating experience of netizens, 100MB of disk space is generally enough That's enough.
EFI system partition, that is, EFI system partition, abbreviated as ESP.
Although ESP is a physical partition in FAT16 or FAT32 format, its partition identifier is EF (hexadecimal) instead of the conventional 0E or 0C.
Therefore, this partition is generally invisible under Windows operating system. The partition stores boot management programs, drivers, system maintenance tools, etc. Computers that support EFI mode need to boot the system from the ESP, and EFI firmware can load EFI boot programs and applications from the ESP.
ESP is a partition independent of the operating system. After the operating system is booted, it no longer relies on it.
This makes ESP very suitable for storing system-level maintenance tools and data, such as boot management programs, drivers, system maintenance tools, system backups, etc.
Although the ESP partition is a FAT format partition, its partition identifier is a special identifier (EF). This provision of the EFI specification makes the ESP generally invisible under Windows. At least, To the average Windows user, this is an "inaccessible" hidden area.
What does this mean? What can we do with this feature?
We might as well first review some other techniques or solutions that painstakingly divide special partitions to achieve special purposes. Many brands have the opportunity to divide a special hidden partition on the hard disk to store files such as system recovery images. This partition can be used to restore the system with "one click".
The Wuyou Forum mentioned the UD hidden partition, which divides an unused blank area on the disk and is used to store boot files and even PE systems.
ESP is a standard FAT partition, so unlike the technologies mentioned above, ESP does not lose accessibility while being "hidden". It can be accessed safely no matter what operating system you use. It's, therefore, far from being "superfluous" to ESP, on the contrary, it is useful.
The carefully crafted ESP can be a "life-saving straw" in your system. Because of its characteristics, it may be the most "safe" among all partitions. When your system is damaged, you can still You can rely on this ESP to enter the maintenance system to repair the system, or perform "one-click recovery", or enter a Linux system in the ESP, or enter a pre-installed Win PE, or even a RamXP.
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