DevOps / Cloud

chmod Calculator

Calculate Unix file permissions in octal and symbolic notation

readwriteexecuteOctal
Owner7
Group5
Others5

Octal

755

Symbolic

rwxr-xr-x

ls -la format

-rwxr-xr-x

755

Standard directory/executable

644

Standard file

700

Private directory

600

Private file

777

Full access (avoid)

750

Group-readable directory

400

Read-only by owner

666

Read/write all (avoid)