Linux command (+): ln command

Command format:

ln [parameter] [source file or directory] [destination file or directory]

Necessary parameters:

-B Delete, overwrite previously established link

-D allows super users to make hard links to directories

-F Force Execution

-I interactive mode, file presence prompts the user whether to overwrite

-N treats symbolic links as generic directories

-S soft link (symbolic link)

-V displays detailed processing procedures

Example 1: Create a soft link to a file

Ln-s Log2013.log link2013

Description

Create soft link link2013 for Log2013.log file, link2013 will expire if Log2013.log is lost

Example 2: Create a hard link to a file

ln Log2013.log ln2013

Description

Create a hard link for log2013.log ln2013,log2013.log the same as the properties of ln2013

Example 4: Link a file to the same name in another directory

ln Log2013.log test3

Example 5: Creating a soft link to a directory

Ln-sv/opt/soft/test/test3/opt/soft/test/test5

Description

1. Directories can only create soft links

2. Directory creation link must use absolute path, relative path creation will not be successful, will prompt: The number of layers of the symbolic connection too many such errors

3. modifying files in the target directory of the link changes synchronously in the source file directory

Linux command (+): ln command