Symbolic Notation
-rwxrwxr-x(as shown by ls -l)-rwxrwxr-x
typeownergroupother
Permission Matrix
| Read(4) | Write(2) | Execute(1) | Octal | |
|---|---|---|---|---|
| Owner | r | w | x | 7 |
| Group | r | w | x | 7 |
| Other | r | - | x | 5 |
What Does chmod 775 Mean?
Owner can read, write, execute. Group can read, write, execute. Others can read, execute.
$ chmod 775 filenameCommon Use Cases
Owner and group have full access; others can read and execute. Common for shared directories in collaborative environments.
Security Notes
Common for collaborative directories. Others can read and traverse but not modify. Watch for sticky bit needs on shared write dirs.
Interactive Tool
Need to calculate a custom permission? Use the interactive permissions calculator to toggle individual bits and get instant results.
Unix Permissions Calculator