3-4 Linux Link command

Link command

Command format: ln [options] [source file] [target file]

English intent: Link

Function Description: Create a link for the file, where the type of the link is divided into hard links and soft connections two, the default is to create a hard link. Creating a soft connection requires adding the-s parameter

Introduction to Hard links and soft joins:

Hard Links:

Having the same I node and storage block blocks can be seen as a unified file.

Can be identified by the I node

Cannot span partitions

Cannot use for directory

Deleting a hard-link file does not affect other files of the same I node

Soft Links: Windows-like shortcuts

The soft link has its own I node and block blocks, but the data retains the name of the source file and the I node number, where there is no actual file data

lrwxrwxrwx L Soft link Soft link permissions are rwxrwxrwx

Modify any file another change

Delete source files, soft links cannot be used

　　　　　　

3-4 Linux Link command