If you're a Windows veteran like me, after switching to macOS, you may be confused by the document (file)-level keyboard shortcuts on macOS. So in this post, I'm going to show you some of the most frequently used document-level keyboard shortcuts on macOS.
In Windows, you can use the Ctrl-Alt-Del keyboard combination to terminate an application task; while in macOS, you can use Option-Command-Esc to invoke the Force Quit Applications window. Read the post to acquire more!
To immediately lock your screen, you just need to press Control, Command and Q at the same time. Read this post to find more useful system-level keyboard shortcuts!