Linux commands: LN link files--hard links, symbolic links (soft links)

LN Introduction to Commands:

A hard link is created by default, and a symbolic link is created when you use-S.

1 . Command format:

ln [option] Original file link file path preferably with absolute path

ln original file link file without parameter means create hardware link

-s means creating a soft link

Option (optional):

-S Create soft links

-V Displays the creation process.

Hard Links:

1 , can only create files, can not be applied to the directory;

2 , cannot cross file system;

3 , creating a hard link increases the number of times the file is linked;       

Symbolic links (soft links):

1 , can be applied to the directory;

2 , can cross file system;

3 , will not increase the number of links to linked files;

4 , the size of the specified path contains the number of characters;

2 . Command function:

Used to create a linked file that must exist for each specified target when a hard link is created. A symbolic link can point to any location and, when the link resolves correctly, resolves it to a link associated with its parent directory.

3 . Command parameters:

-S Create soft links

-V Displays the creation process.

4 . Command instance:

1. Create a hard link:

ln ABC/TEST/ABC2 The ABC file under the current directory, creating a hard link to the/test directory and named ABC2

Create a hard link whose inode number is consistent

[Email protected] test2]# LN ABC/TEST/ABC2

[Email protected] test2]# cd/test

[Email protected] test]# Ls-li ABC2

2996-rw-r--r--. 2 root root 884 October 15:27 ABC2

[Email protected] test2]# Ls-li ABC

2996-rw-r--r--. 2 root root 884 October 15:27 ABC

2. Create a soft link:

Ln-s/TEST2/ABC2/TEST/ABC3 Create software ABC3 point to ABC2

[Email protected] test2]# ln-s/TEST2/ABC2/TEST/ABC3

3003 lrwxrwxrwx. 1 root root 11 October 15:36 ABC3-/TEST2/ABC2

This article is from the "Learn Linux history" blog, please be sure to keep this source http://woyaoxuelinux.blog.51cto.com/5663865/1866782

Linux commands: LN link files--hard links, symbolic links (soft links)