Symbolic Notation
-rwxr--r--(as shown by ls -l)-rwxr--r--
typeownergroupother
Permission Matrix
| Read(4) | Write(2) | Execute(1) | Octal | |
|---|---|---|---|---|
| Owner | r | w | x | 7 |
| Group | r | - | - | 4 |
| Other | r | - | - | 4 |
What Does chmod 744 Mean?
Owner can read, write, execute. Group can read. Others can read.
$ chmod 744 filenameCommon Use Cases
Owner has full access; everyone else can only read. Used for scripts the owner executes but others only view.
Security Notes
Safe for scripts and configs that others need to read. The owner retains exclusive write and execute control.
Interactive Tool
Need to calculate a custom permission? Use the interactive permissions calculator to toggle individual bits and get instant results.
Unix Permissions Calculator