Chmod Calculator

Calculate Linux file permissions in numeric and symbolic notation

ReadWriteExecuteNumeric
Owner7
Group5
Others5

Numeric

755

Symbolic

rwxr-xr-x

chmod 755 filename

Common Presets

Frequently Asked Questions

What does chmod 755 mean?

755 = Owner: read+write+execute (7), Group: read+execute (5), Others: read+execute (5). This is the standard permission for directories and executable files.

What is the difference between 644 and 755?

644 = Owner can read+write, everyone else can only read. Used for regular files. 755 = Owner can do everything, everyone else can read+execute. Used for directories and scripts.