Learn Linux Shell Scripting - Fundamentals of Bash 4.4

RWX

File permissions under Linux are handled by three attributes: read, write, and execute, or RWX. While there are other permissions (some of which we will discuss later in this chapter), most interactions with regards to permissions will be handled by these three. Even though the names seem to speak for themselves, they behave differently with regards to (normal) files and directories. The following table should illustrate this:

Allows the user to see the contents of the file with any command that supports this, such as vim, nano, less, cat, and so on.

Permission	On normal files	On directories
Read	Allows the user to list the contents of the directory using the ls command. This will even list files in the directory on which ...