Chmod Calculator
Calculate Unix/Linux file permissions interactively
Set Permissions
Owner
Group
Others
chmod 644 filename
rw-r--r--
-rw-r--r-- (ls -l output)
Quick Presets
Understanding chmod
Read (4)
View file contents or list directory
Write (2)
Modify file or add/remove files in directory
Execute (1)
Run file as program or enter directory