Chmod Calculator
Calculate Unix file permissions with interactive checkboxes. See numeric, symbolic, and verbose output simultaneously.
Owner
Group
Other
Common presets
Numeric
000
Symbolic
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Command
chmod 000 filename
Description
Owner: none | Group: none | Other: none
Ctrl+Enter to runCtrl+Shift+C to copy
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chmod Calculator: Unix File Permissions Explained with Examples
Understand Unix file permissions, numeric notation, and common chmod values like 755, 644, and 600.
What Is chmod?
chmod (change mode) is a Unix and Linux command that sets file and directory permissions. Every file on a Unix system has three permission categories: owner (the user who created the file), group (users in the same group), and others (everyone else). Each category can independently be granted read, write, and execute permissions.
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