Effective Permission Calculator (User + Group + Others)

<p>A Linux tool to calculate the effective permissions for a user, considering user, group, and others permissions.</p>

EffEffective Permission Calculator (User + Group + Others)

rwx
r-x
r-x
Effective Permissions
User
rwx
Group
r-x
Others
r-x
These are the permissions for user, group, and others for this file/directory.
Effective Permission for Entered User
rwx
This is the permission the entered user would have for this file/directory.

How Effective Permissions are Determined

Linux determines a user's effective permissions based on whether they are the file owner, belong to the file's group (primary or supplementary), or are considered "others". This tool helps you visualize which permission applies.

Tips & Best Practices

  • Remember that ACLs and special bits (setuid/setgid/sticky) can further affect access.
  • Use id command to check a user's groups.
  • Effective permissions are the most permissive of all applicable rules (user > group > others).

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