To change the permissions on files or directories using filemanager do the following:
Highlight the file or directory for which you want to change access rights, right-click on it and select “
Access rights»:

Set the necessary rights using checkboxes or numbers and click "
Save", Or use the button"
Default"To set standard rights:
For catalogs Checkmark opposite "
Recursively assign permissions to all subdirectories and files»Determines whether to change the rights for the contents of the selected directory. Available options: