What is the linux primary partition used for?

Linux primary partition is an independent partition used to store file systems. Its functions are: 1. Used to install the operating system; 2. Used to create and install different types of file systems; 3. Contains boot The loader is responsible for booting the operating system.

The operating system of this tutorial: Linux5.18.14 system, Dell G3 computer.

In Linux, the primary partition (Primary Partition) is an independent partition used to store file systems. The primary partition is one of the main partition types divided on the hard disk. It can be used to install the operating system and store data.

Linux systems usually divide the hard disk into multiple partitions, one or more of which can be used as primary partitions. The primary partition uses the Master Boot Record (MBR) or the GUID Partition Table (GPT) for partition management.

The functions of the primary partition are as follows:

1. Install the operating system: The primary partition can be used to install the operating system, such as installing the Linux system on a primary partition. This isolates the operating system from other data, making the system more stable and secure.

2. File system storage: The primary partition can be used to create and install different types of file systems, such as ext4, NTFS, etc. These file systems are used to store user files, applications, configuration files, etc.

3. Boot Loader: The primary partition usually contains the boot loader, which is responsible for booting the operating system. The boot loader reads the boot information from the boot sector of the primary partition, then loads the operating system kernel and starts the system.

It should be noted that the number of primary partitions is limited, and there are usually only 4 primary partitions at most. If the demand exceeds 4 partitions, you can use Extended Partition to divide more logical partitions (Logical Partition). There can only be one extended partition, which can be divided into multiple logical partitions and use logical partitions to expand storage space.

In short, the primary partition is an important partition type in Linux systems for installing the operating system, storing file systems, and starting the boot loader.

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