chattr Linux Commands
What is Linux chattr Command?
Explanation
chattr COMMAND:chattr command is used to change the file attributes. This is an admin command. Root user only can change the file attributes/Process.SYNTAX :
chattr [options] filenameOPTIONS:
+i
Make the file as Read-Only.
-i
Remove the Read-Only.
+a
Can't open file for writing.
-a
Open file for writing.
+S
The changes in the file are written synchronously on the disk.
EXAMPLE:
-
chattr +i test.txt
Here the 'test.txt' file has the write permission, to make it as Read-Only file use +i option.
- chattr -i test.txt
The above command process is used to remove the Read-Only mark.
chattr [options] filename
OPTIONS:
+i
Make the file as Read-Only.
-i
Remove the Read-Only.
+a
Can't open file for writing.
-a
Open file for writing.
+S
The changes in the file are written synchronously on the disk.
EXAMPLE:
-
chattr +i test.txt
Here the 'test.txt' file has the write permission, to make it as Read-Only file use +i option.
- chattr -i test.txt
The above command process is used to remove the Read-Only mark.
| +i | Make the file as Read-Only. |
| -i | Remove the Read-Only. |
| +a | Can't open file for writing. |
| -a | Open file for writing. |
| +S | The changes in the file are written synchronously on the disk. |
-
chattr +i test.txt
Here the 'test.txt' file has the write permission, to make it as Read-Only file use +i option. - chattr -i test.txt
The above command process is used to remove the Read-Only mark.
