Definition:
When you use a system, whether it is Linux or any other, many important files are kept inside folders. But only saving a file in a folder does not make it safe.
In Linux, you must set permissions like read, write, and execute. When permissions are set, your file cannot be changed or misused by others.
Types of Permissions:
- Read (r)
- Write (w)
- Execute (x)
Permission Levels:
- User (u)
- Group (g)
- Others (o)