Chmod Calculator
Read
Write
Execute
Owner
✓
✓
✓
Group
✓
—
✓
Others
✓
—
✓
Numeric
755
chmod 755 file
Symbolic
-rwxr-xr-x
Common Presets
755 (standard dir)
644 (standard file)
700 (private)
777 (full access)
600 (private file)
750 (group read)
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