Use FireFTP or Cyberduck (mac only). Then when you are setting new permissions tick the option for apply recursively. This will change the permissions for everything under that directory.
One way to prove that the set of all languages that are not recursively enumerable is not countable is by using a diagonalization argument. This involves assuming that the set is countable and then constructing a language that is not in the set, leading to a contradiction. This contradiction shows that the set of all languages that are not recursively enumerable is uncountable.
All recursive Languages are recursively enumerable. But not all the recursively enumerable languages are recursive. It is just like NP complete.
you cannot set up permissions in a normal minecraft server. you must have a bukkit server to use permissions. check the bukkit forum for more info.
You can use the Server app to set standard permissions-Read & Write, Read Only, Write Only, or None-to control access to a folder and its contents. You can set different permissions for one user (the owner), one group, and all other users who log in. You can also set standard permissions on individual files. Standard permissions are also called POSIX permissions.
Create a file and set it's permissions to 222
Select the file you want to change permissions for in the directory listing. Click on the Info icon in the toolbar, or select Get Info from the File menu. Change the permissions in the Info window. You can automatically set permissions when you upload a file. In the Preferences window select Server Options and tick the Set permissions of uploaded files box.
share permission
A. The Effective Permissions tab
If you have a normal server, you have to op people from the console to give them permissions. If you have a craftbukkit server, you can download a plugin for permissions.
Permissions are allocated based on users and groups, with read, write, and executable privileges being capable of being set.
The stack search method cannot be performed recursively.
In the permissions r-xrwxrwx, the owner has read and execute permissions (r-x), the group has read, write, and execute permissions (rwx), and others also have read, write, and execute permissions (rwx). This means that the owner cannot write to the file, as indicated by the absence of the write permission in the owner's set of permissions. Therefore, only the owner cannot write to the file.