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Chmod Calculator
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Permissions
Owner
Group
Others
Quick Presets
Output
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How to Use
- Check the permission boxes for Owner, Group, and Others (Read, Write, Execute).
- See the octal value (e.g., 755) and symbolic notation (e.g., rwxr-xr-x) instantly.
- Use the preset buttons for common permission sets.
Calculate Unix Permissions
chmod (change mode) sets file permissions on Unix/Linux systems. Permissions are represented as three digits (e.g., 755) or symbolic notation (e.g., rwxr-xr-x), controlling read, write, and execute access for the file owner, group, and others.
Common Permission Values
755 รขยย directories and executables (owner: rwx, group: r-x, others: r-x). 644 รขยย regular files (owner: rw-, group: r--, others: r--). 700 รขยย private directories (owner only). 600 รขยย private files (owner only).