Solution to Operationnotpermitted error when deleting a file

Solution to the Operationnotpermitted error when deleting a file-Linux general technology-Linux technology and application information. for details, refer to the following. When some files are to be deleted in Linux, an error is prompted, for example, handling the Operation not permitted error prompt.

[Root @ linux236 root] # ls-l 1.txt
-Rw-r -- 1 root 0 Aug 5 23:00 1.txt
[Root @ linux236 root] # rm-rf 1.txt
Rm: cannot unlink '1.txt ': Operation not permitted

The super user root is used. The system will tell you that the operation is not allowed. Is there a problem with Linux? No. if you use the lsattr command, the answer is displayed.

[Root @ linux236 root] # lsattr
--- I ----------./1.txt
--------------./Weiqi. ldif
--------------./Qi. schema

In the lsattrcommand, this 1.txt file has an "I" attribute, so it cannot be deleted. You can use the following commands:

[Root @ linux236 root] # lsattr 1.txt
--- I ---------- 1.txt
[Root @ linux236 root] # chattr-I 1.txt
[Root @ linux236 root] # rm-rf 1.txt
[Root @ linux236 root] #

This attribute is used to protect important files from being deleted. Generally, the system administrator can determine whether the file can be deleted by using these commands. To add more protection to a file, run the following command:

Chattr + I filename

Command to delete the file. At the same time, such files cannot be edited or modified. Only the root user can use the chattr command. Similar to Windows file systems, most files that cannot be deleted at will have their own principles. even if you know how to delete them, you should think twice before you proceed.