What are the types of hard drive formats?
Generally, there are several types of hard disk formatting:
(1) FAT16
(2) FAT32
(3) NTFS
The difference between FAT32 and NTFS Before the introduction of the FAT32 file system, the file system usually used by PCs was FAT16. Systems such as MS-DOS and Win 95 all use the FAT16 file system. Under Win 9X, the maximum partition supported by FAT16 is 2GB. We know that computers store information on the hard disk in areas called "clusters." The smaller the clusters used, the more efficiently information can be saved. In the case of FAT16, the larger the partition, the larger the cluster, and the lower the storage efficiency, which will inevitably cause a waste of storage space. And with the continuous improvement of computer hardware and applications, the FAT16 file system can no longer adapt well to system requirements. In this case, the enhanced file system FAT32 was introduced.
Compared with FAT16, FAT32 mainly has the following characteristics:
1. Compared with FAT16, the biggest advantage of FAT32 is that it can support a disk size of up to 2TB (2047GB) , but cannot support partitions smaller than 512MB. Win 2000 based on FAT32 can support partitions up to 32GB; while Win 2000 based on FAT16 supports partitions up to 4GB.
2. Due to the use of smaller clusters, the FAT32 file system can save information more efficiently. For example, both partitions are 2GB in size, one partition uses the FAT16 file system and the other uses the FAT32 file system. The cluster size of a FAT16 partition is 32KB, while the cluster size of a FAT32 partition is only 4KB. In this way, the storage efficiency of FAT32 is much higher than that of FAT16, which can usually be improved by 15%.
3. The FAT32 file system can relocate the root directory and use a backup copy of FAT. In addition, the boot record of the FAT32 partition is included in a structure containing critical data, reducing the possibility of a computer system crash.
Related recommendations: "FAQ"
NTFS file system
NTFS file system is a security-based file system The system is a unique file system structure adopted by Windows NT. It is an advanced file system based on protecting file and directory data while saving storage resources and reducing disk usage. The widely used Windows NT 4.0 uses the NTFS 4.0 file system. I believe that the powerful system security it brings must have left a deep impression on the majority of users. Win 2000 uses a newer version of the NTFS file system, NTFS 5.0. Its launch allows users to not only operate and manage computers as conveniently and quickly as Win 9X, but also enjoy the system security brought by NTFS.
The characteristics of NTFS 5.0 are mainly reflected in the following aspects:
1. The size of the partition (called a volume if a dynamic disk is used) that NTFS can support can reach 2TB. FAT32 in Win 2000 supports a maximum partition size of 32GB.
2.NTFS is a recoverable file system. Users rarely need to run disk repair programs on NTFS partitions. NTFS ensures partition consistency by using standard transaction logging and recovery techniques. When a system failure occurs, NTFS uses log files and checkpoint information to automatically restore file system consistency.
3.NTFS supports compression of partitions, folders and files. Any Windows-based application that reads and writes compressed files on an NTFS partition does not need to be decompressed by other programs in advance. When the file is read, the file will be automatically decompressed; the file will be automatically decompressed when it is closed or saved. The file is compressed.
4.NTFS uses smaller clusters to manage disk space more efficiently. In the case of Win 2000's FAT32 file system, when the partition size is between 2GB and 8GB, the cluster size is 4KB; when the partition size is between 8GB and 16GB, the cluster size is 8KB; when the partition size is between 16GB and 32GB, the cluster size is 16KB. In Win 2000's NTFS file system, when the partition size is below 2GB, the cluster size is smaller than the corresponding FAT32 cluster; when the partition size is above 2GB (2GB~2TB), the cluster size is 4KB. In contrast, NTFS can manage disk space more efficiently than FAT32, minimizing the waste of disk space.
5. On the NTFS partition, you can set access permissions for shared resources, folders and files.
Permission settings include two aspects:
(1) Which groups or users are allowed to access folders, files and shared resources;
(2) What level of access can a group or user with access permission have.
The setting of access permissions applies not only to users of the local computer, but also to network users who access files through shared folders on the network. Compared with accessing folders or files under the FAT32 file system, the security is much higher. In addition, in Win 2000 using NTFS format, you can apply audit policies to audit folders, files, and Active Directory objects. The audit results are recorded in the security log. Through the security log, you can check which groups or users have access to folders, files, etc. Or what level of operations are performed on Active Directory objects, so as to discover the illegal access that the system may face, and take corresponding measures to minimize this security risk. These cannot be achieved under the FAT32 file system.
The above is the detailed content of What are the types of hard drive formats?. For more information, please follow other related articles on the PHP Chinese website!

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics

The hard disk serial number can be checked through the hard disk packaging box or the hard disk casing, or in the Win11 system. However, some users do not know the method. This article is a method for querying the Win11 hard disk serial number brought to you by this site. What is the number of digits in a hard drive serial number? A computer hard drive serial number is a unique identifier that identifies a specific hard drive. It is provided by the hard drive manufacturer and cannot be modified by the user. The hard disk serial number usually contains 10 to 20 digits and letters, and of course generally consists of 12 digits. It can be used to record hard disk parameters such as hard disk capacity, loading mode, and read and write speeds. In computer systems, hard drive serial numbers are usually used to identify and distinguish different hard drives, and in some cases are used for password protection, software authorization, etc. pass

How to force format a hard drive in Linux When using a Linux system, sometimes we need to format the hard drive in order to repartition or clear the data in the hard drive. This article will introduce how to force format a hard disk in a Linux system and provide specific code examples. 1. Check the hard disk device First, we need to check the hard disk device information to determine the hard disk device to be formatted. You can view it with the following command: #fdisk-l This command will list all hard disk devices in the system

When trying to open a disk image in VirtualBox, you may encounter an error indicating that the hard drive cannot be registered. This usually happens when the VM disk image file you are trying to open has the same UUID as another virtual disk image file. In this case, VirtualBox displays error code VBOX_E_OBJECT_NOT_FOUND(0x80bb0001). If you encounter this error, don’t worry, there are some solutions you can try. First, you can try using VirtualBox's command line tools to change the UUID of the disk image file, which will avoid conflicts. You can run the command `VBoxManageinternal

DOS command is a command line tool used in Windows operating system, which can be used to perform various system management tasks and operations. One of the common tasks is to format the hard drive, including the C drive. Formatting the C drive is a relatively dangerous operation because it will erase all data on the C drive and reinitialize the file system. Before performing this operation, make sure you have backed up important files and have a clear understanding of the impact that formatting will have on your computer. The following is formatted in the DOS command line

How to cancel the formatting of a Linux hard disk and code examples Introduction: When using the Linux operating system, sometimes we need to cancel the formatting operation of the hard disk. This article will tell you how to unformat a Linux hard drive and provide specific code examples. 1. What is hard disk formatting? Hard disk formatting refers to the operation of organizing and managing the data on the hard disk in a specific format. In Linux systems, we usually use file systems to format hard drives. Common file systems include ext4, NTFS, etc. two,

If you encounter an AHCI port 0 device error every time you start your computer, you need to follow the methods provided in this article to solve the problem. What is AHCI port 0 device error? AHCI device errors are reported by the BIOS. SMART has indicated that the hard drive on port 0 is faulty and may not be accessible. The hard drive may have problems at any time. If it is a desktop computer, it is recommended to try changing the hard drive connection port. If the problem persists, it may be a problem with the hard drive itself. You can run a disk check tool, disable the failed hard drive and check the ports to resolve this issue. Fixing AHCI Port 0 Device Errors on Windows Computers Typically, AHCI Port0 device errors do not originate from operating system issues, but rather from the hard drive failing on port 0.

Nowadays, we will inevitably encounter some problems such as being unable to turn on the phone or lagging, such as system crash, but during use, mobile phones have become an indispensable part of our lives. We are often at a loss, and sometimes, there are no solutions to these problems. To help you solve cell phone problems, this article will introduce you to some methods of cell phone format recovery and restore your phone to normal operation. Back up data - protect important information, such as photos and contacts, from being lost during the formatting process. Before formatting your phone, the first thing to consider is to back up important data and files on your phone. To ensure data security, or choose to transfer files to a cloud storage service, you can back it up by connecting to a computer. Use the system's built-in recovery function - simple

According to news from this site on August 12, Kingston NV3M.2 SSD is currently on sale on JD.com. The SSD is available in 512GB (500GB)/1TB/2TB versions (the 4TB version is not on the shelves). Its main reading speed is 5000MB/s. The price information compiled by the website is as follows: 512GB: 319 yuan 1TB: 449 yuan 2TB: 929 yuan Kingston NV3 adopts single-sided M.22280 size, suitable for laptops, equipped with PCIe4.0x4 controller, the read and write speeds of this website are as follows: 512GB: 5000 /3000MB/s1TB: 6000/4000MB/s2TB: 6000/5000MB/s Kingston will provide a 3-year limited warranty for NV3 SSDs