File and Directory Properties

Ls-l can see the detailed information of the directory

There's a total of 11 columns. The first column represents the file type following the Nine attribute permission permissions for the file are divided into three small segments

The first paragraph indicates whether the owning master represents a readable writable executable the second paragraph indicates whether the owning group is readable and writable

The third paragraph indicates whether the other person can read the writable executable with RWX expression R readable w writable x executable---means unreadable non-writable

The second column indicates that there are multiple files or how many directories use the root directory or that the file uses the same indoe, usually 1.

The owning group his size unit: bytes The time it was created/changed

D indicates directory

C represents the character device (processing character: Display keyboard ... ）

B-Block device (USB disk disc)

Soft Connect (similar to Windows shortcuts

P pipeline files are also used to communicate the output of some commands as input to other commands

-Normal file

s communication between promotions

File and Directory Properties