Unix Chmod Calculator
Calculate Unix file permissions. Convert between symbolic (rwx) and numeric (755, 644) notation with interactive checkboxes and common presets.
Presets:
Owner
6
Group
4
Others
4
Numeric644
Symbolicrw-r--r--
Commandchmod 644 filename
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How to use
- Set read, write and execute permissions for owner, group and others.
- Check the numeric and symbolic forms before using the command.
This example illustrates one supported operation. Choose the matching mode and settings above; generated values and formatting may vary.
Example input or settings
owner: rwx
group: r-x
others: r-xExample result
755
rwxr-xr-x
chmod 755 filenameWhat does 755 mean on a directory?
The owner can list, modify and traverse it. Group and others can list and traverse it.