July 8, 2010May 30, 2014 Want a key combination to lock the Mac screen like CTRL-ALT-DEL? by happyorright LockTight for Mac OS X Intel gkoya. Is the answer. It is free and even works on Snow Leopard. I have used it and it works great and helps people who are used to the Windows way of using the keyboard to lock the screen more intuitively. Related Posts:Kernel Panics in 10.10.3 Are you getting Kernel Panics in 10.10.3? I had a kernel Panic this ..Malware that can infect the Mac Mac OS X Isn't Safe Anymore: The Crapware / Malware Epidemic Has ..Stories from My Past: You Did what? Whenever I work anywhere I like to put a little bit of ..Should you buy a Microsoft Surface 3? I had a coworker I worked with once who was so proud ..