Symbolic Notation
-rwxr-x---(as shown by ls -l)-rwxr-x---
typeownergroupother
Permission Matrix
| Read(4) | Write(2) | Execute(1) | Octal | |
|---|---|---|---|---|
| Owner | r | w | x | 7 |
| Group | r | - | x | 5 |
| Other | - | - | - | 0 |
What Does chmod 750 Mean?
Owner can read, write, execute. Group can read, execute. Others can no access.
$ chmod 750 filenameCommon Use Cases
Owner has full access; group can read and enter directory but not write. Common for shared application directories.
Security Notes
Balanced permission for shared applications. The group can traverse and read but not modify files.
Interactive Tool
Need to calculate a custom permission? Use the interactive permissions calculator to toggle individual bits and get instant results.
Unix Permissions Calculator