0_linux_ Virtual Machine Installation

1. Installation of virtual machines 0Snapshot and clone
2. System partition (limited by performance of the hard disk)

1 Partition type:

Primary partition: Up to 4

Extended partitions: There can be up to 1, primary partitions and extended partitions up to 4, cannot write data, can contain only logical partitions, and cannot be formatted.

Logical partition:

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2 Formatting (Purpose: Write file system on hard disk)

Formatted (advanced format) is also known as logical formatting, according to the user selected file system (FAT16 FAT32 NTFS EXT2 EXT3 EXT4, etc.), in a specific area of the disk to write specific data, in the partition, a piece for the file allocation table, directory table, etc. for file management disk space.

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Partitioning: Dividing large hard disks into small hard drives

Format: Write to File system: function One: Divide the hard disk into a data block of equal size; function Two: Establish Inode list;

When looking for a file through the Inode number to find the file, know that the file exists in the data block, thus opening the data block, take out the data, pieced together into the required files.

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3 Hardware Device file name

A-d and a-p represent hard disk numbers, followed by numbers representing partition numbers

Now the main popular SATA HDD interface

Logical partitions are always starting from 5, because 1~4 is reserved for primary and extended partitions.

4.windows allocation drive letter Linux Mount

Mount point must be an empty directory

The/boot directory is partitioned separately to hold data at startup. can use all EXT4

Each directory has its own hard disk space

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1. Linux system Installation

The initial location of the administrator login is/root/; the normal user is/home/xxx/

0_linux_ Virtual Machine Installation