🔐 chmod Calculator

Visual Linux file permissions calculator with numeric and symbolic notation.

chmod filename
Read (4)Write (2)Execute (1)
Owner
Group
Others
Numeric
755
Symbolic
rwxr-xr-x
$ chmod 755 filename
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Common Presets

Standard Dir755
Standard File644
Full Access777
Owner Only700
Private File600
Read Only All444
SSH Key400
RW All666

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