Chmod Calculator
Visual permission calculator for chmod (777, 755).
C
Chmod Calculator
Calculate Linux Permissions
Owner Read (r)
Owner Write (w)
Owner Execute (x)
Group Read (r)
Group Write (w)
Group Execute (x)
Public Read (r)
Public Write (w)
Public Execute (x)
How It Works
- Check desired permissions
- See numeric and symbolic output
Use Cases
- Server administration
- Linux setup
- Security
Frequently Asked Questions
What do the numbers mean?
4 stands for Read, 2 for Write, and 1 for Execute. The sum gives the permission level (e.g., 7 = 4+2+1).
What is 777 permission?
777 gives full read, write, and execute permissions to everyone. It is generally unsafe for web servers.