Permission Matrix (Owner, Group, Others)
Direct Octal:
Owner (User)7
Group5
Others (Public)5
Popular Presets:
Octal Mode
755
Symbolic Notation
rwxr-xr-x
chmod 755 app.sh
chmod -R 755 app.sh/
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How to calculate chmod permissions
- 1Toggle read, write, and execute permissions for Owner, Group, and Others.
- 2View instant octal (e.g. 755) and symbolic (-rwxr-xr-x) representations.
- 3Copy the generated chmod terminal command directly into your shell.
Octal Permission Bitmask
Read = 4, Write = 2, Execute = 1. Added together to form values from 0 to 7 per user scope.
Frequently Asked Questions
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