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chmod Calculator

Convert Linux file permissions between numeric and symbolic notation

Read (r) Write (w) Execute (x)
Owner
Group
Others
Symbolic
rwxr-xr-x
Command
chmod 755

使用方法

Enter a numeric value (e.g. 755) or select permissions via checkboxes for two-way conversion.

  • Numeric → symbolic conversion
  • Symbolic → numeric conversion
  • Checkbox-based selection
  • Common presets

使用案例

  • Check permission settings on servers
  • Look up numeric chmod values

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