In a shared directory, there are cases where other user accidentally deleted your files. Here is how to use sticky bits to manage your file permission.
A very useful feature in Linux is the “Access Control Lists” that controls access to files and directories. Here’s how access control lists work in Linux.
If you received the “Access denied” errors while modifying some system files in Windows, you can manually take ownership of files and folders to override the user permission.
You may know that you need to set a file permissions of “777” to make it writeable, but do you know the meaning of “777” and where it comes from?