2016-6-17 File types

View File Type command ls-l

-Normal files, containing binary and ANSI codes

Catalog D

s Socket file for communication between processes.

C-Character device

B-Block Equipment

L Soft Connect file (equivalent to a shortcut under Windows)

P Pipeline File

The meaning of the properties of the file first column permission

The first example indicates the type of file (which has been recorded above)

The following is divided into three columns representing the permissions of the file three characters for a group

The second column (3 bits) is the read and write execution permission of the owner of the file

The third column (3 bits) is the read and write execution permission of the group to which the file belongs

The third column (3-bit) is the read and write execution permission of someone other than the owner and group of the file

R-Readable permissions

W writable permission

X executable Permissions

-No permissions

Number of files or directories in the second column using the same inode number

The third column represents the owner of the file

The fourth column represents the group to which the file belongs.

The fifth column represents the size of the file, in bytes (you can use LS-LH to display the unit KB)

The sixth column indicates when the file was created or modified

The seventh column is the file name, or the directory name

2016-6-17 File types