Linux file and Directory permissions combat

Linux file and directory permissions combat

Environment creates two users

user1 and user2

[Email protected] ~]# useradd user1[[email protected] ~]# useradd user2

Create a two folder

[Email protected] ~]# mkdir-p/user1/user2

Open another terminal to switch to su-user1

[Email protected] ~]# Su-user1

Create a user2 file under User2

[Email protected]/]# touch/user2/user2[[email protected]/]# ls-l/user2/user2-rw-r--r--. 1 root root 0 March 01:37/user2/user2

View Permissions

Deleting and moving a file with a parent directory even if the 777 permission is not deleted as long as the parent directory has permissions, even if the file itself is 000 can also be deleted

Even give him 777 privileges.

[Email protected]/]# ls-l/user2/user2-rwxr--rwx. 1 root root 0 March 01:37/user2/user2

[[email protected] user2]$ RM-RF USER2RM: Unable to delete "User2": Insufficient permissions

[Email protected]/]# ls-ld/user2drwxr--rwx. 2 root root 4096 March 01:37/user2

You can move the delete as long as the User2 directory has permissions

User1 Execute Delete command

[Email protected] user2]$ RM-RF user2

You can do it.

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Linux file and Directory permissions combat