When an application hangs on your Mac, sometimes the quickest fix is to force the application to quit. In most cases, this will free the system and allow you to re-launch the program to get on with your work. There are three main ways to force-quit a program in OS X. The first is the Force-Quit menu, activated by pressing Option-Command-Escape or by choosing it from the Apple menu. With this, you can quit OS X application programs launched in your user account. Continue reading
How to kill a process in OS X
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If you are a Terminal user, then you very likely spend a fair amount of time editing various text files, be they configuration files, scripts, or data files you might use for your work. For a seasoned Terminal veteran, the various text editors like vi, emacs, and nano, may offer all the tools needed for getting the job done, but for those less familiar, managing these tools can be cumbersome. Luckily, in OS X there is a quick way to make use of GUI-based programs for handling pretty much any document you might encounter in the Terminal. 
If you have bluetooth devices paired with your Mac, then they ought to automatically re-establish their connection when you restart your Mac or wake it from sleep. However, there may be times when this does not occur, and furthermore, you may find yourself unable to maintain the connection once woken from sleep. As a result, your connected devices may continually drop, or refuse to pair after sleeping. 
Despite its user-friendly interface, OS X sometimes gives no more information than an error code when something goes wrong. One of these is error code -50, which may occur when you attempt to copy, move, or delete files from external hard drives. If this occurs and you are stuck with a file you cannot manage, then you can likely overcome this error with a few possible approaches. 
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