Linux file attributes and operations on files

Create files under linux command: VI

[1] permissions [2] connection [3] owner [4] User Group [5] File capacity [6] Modified date [7] file name

[1]

The first character indicates that the file is "directory, file, or linked file, etc."

If [d] is the directory if [-] is the file if [I] is indicated as a connection file if [b] means that the device file is available for storage of the interface device

If [C] indicates a serial port device in the device file, such as a keyboard, mouse (one-time read device)

In the following characters, a group of 3, each of which is a combination of 3 parameters, is "rwx". R-Readable, W-writable, X-Executable.

The first group is "permissions for the file owner", the second group is "permissions for the same user group", and the third group is "permissions for other non-user groups"

Modify file Permissions:

R-4, W-2, x-1 777 is the case that three groups are rwx.

Linux file attributes and operations on files