You may wish to restrict or grant access to certain users of the system. Select what kind of permissions you would like to give to the owner, the group, and those with public access for the selected files.
The data in the permissions column may look like this "-rwx-rwx-rwx", it is separated into four parts...
[Type]Owner-Group-Public
Type d=directory, -=file, l=link
Owner (authorized FTP user)
Group (scripts on the same server)
Public (the world)
The permissions abbreviations translate as follows...
r = Read Permission
w = Write Permission
x = Execute Permission