Linux Chmod Permissions Calculator
Visually calculate octal (755, 644) and symbolic (rwxr-xr-x) file and directory permissions for Linux/Unix servers.
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Processed in browser memory. Files are never sent to remote servers.
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No cloud disks or database logs. Data is discarded upon session end.
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How to Use - Linux Chmod Permissions Calculator
1
Check/uncheck Read, Write, Execute for Owner, Group, and Others.
2
Copy numeric chmod command (e.g. chmod 755 file.txt).
Frequently Asked Questions
Linux Chmod Permissions Calculator