Duplicates Mac Os X

I have a folder with jpeg images on my Mac. I tar the folder and shoot it up to my server (ubuntu os). In the FTP I can see that every jpeg file and sub folder has a greyd out duplicate file but with the prefix "._" So i.e. 24.jpg also have a ._24.jpg BUT when I go through the terminal and make a "ls folder" I don't see the ._ strange files. What's going on here???

I have the latest version of Entourage together with Leopard and it is worse than ever. I might go for a few days without any duplicates, and then for no reason I get the whole of my email servers directory downloaded up to SIX times, and then it goes back to normal use for a few days and then I receive a few duplicated emails. There doesn't appear to be any cause...

utilizing OS X. ...

We deleted a lot of old docs and duplicates to get it up to 3.1gb free. ...

I have a client whose office is primarily Mac users, and one user is having problems with thier Entourage 2004 Calendar, which is causing problems when syncing said calendar to her BlackBerry. ...

I have a client whose office is primarily Mac users, and one user is having problems with thier Entourage 2004 Calendar, which is causing problems when syncing said calendar to her BlackBerry. ...

Apparently, but I'm still wondering about the missing 'whoami' information ! I definitely don't like that you don't get any response; it definitely means that !something! isn't as it should be :( Depends on what you want to back up. There are several way you can install X11 software: 1) DarwinPorts ( http://www.apple.com/downloads/macosx/unix_open_source/portauthority.html...

base. Stalls, hangs, sometimes crashes, sometimes duplicates msgs, struggles big time. Are their known issues with Tiger's mail.app? ...

Your Mac and Mac OS X include many of the same capabilities as a Windows computer. ...

dude, if you're talking about 2 machines seeing each other, you want to edit the hosts file on the windows machine, and on Mac OS X. ...