File Type Analysis

Source: Internet
Author: User

You can use the ls-al command to view the files and directories under the corresponding file, as shown below;

Drwx r --. 1 root ......

The first character is divided into the following situations:

1. When it is d, it is the Directory

2. If it is a [-] File

3. link file when it is [l)

4. When it is [B], it is an interface device that can be stored in the device file (random access device)

5. When it is [c], it indicates the serial port device in the device file, such as the keyboard and mouse (one-time reading device)

Next, there are nine characters in three groups, which correspond to the following owner permissions:

1. Archive owner

2. Same Group

3. Other non-local groups

Next, the number of connections, the archive owner, the group to which the archive belongs ,,,,,,

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