Many thanks. In fact the problem did sort itself out. It was suggested to me that sometimes Finder caches the file and directory attributes for too long and it may not have noticed that I had changed the owner and permissions. Maybe it flushed this cache after some time of me playing around...
I have been trying to install a program by dragging it into Applicatons. However I keep getting the message:
The item "blah blah blah" could not be moved because "Applications" cannot be modified.
When I went into Terminal to check permissions
ls -l' /Applications
I received this...
Is there a well rated A3 inkjet printer that has drivers up and running for OS X?
I need to be able to print out photo quality prints, but I'm not able to run to anything over £350 [$525].