Privilege grants the ability to carry out some action, such as deleting, modifying or executing a file. Some actions require elevated or root privileges. Privileges are effectively defined by the file system permissions that control access to files for owners, group owners, and others.
rwx are attributes [r]ead | [w]rite | e[x]ecute
These privileges can be either given/added + or taken away -
There are three groups of users:
- Owner -
u - Group -
g - Others -
o
a refers to all three groups
