: Allows modifying or deleting a file, or adding/removing files in a directory.
: Refers to "User" ( u ) permissions, often including read, write, and execute bits. Linux File Permission Write-up rpSQso oNOEv usSNxV
: Allows running a file as a program or entering a directory. 3. Numeric (Octal) Representation Permissions are often expressed as a three-digit number: 4 : Read 2 : Write 1 : Execute 0 : No permission : Allows modifying or deleting a file, or
: Represented as r , giving the user the ability to read the file contents. often including read
For detailed technical guidance, you can refer to resources like Linux File Permissions Explained or the Ask Ubuntu documentation .