Chmod Calculator is an online utility to convert Linux permissions for files or directories on servers between different formats (symbolic, numeric).
Easy to use:
Check the desired boxes or
directly enter a valid numeric value (e.g. 644) or
symbolic notation (e.g. rw-rw-r--)
to see its value in other formats.
File permissions in Linux file system are managed in three distinct scopes: user/owner, group and others. Each scope can have read, write and execute permissions. File permission can be represented in a numeric or symbolic format.