Try Preventing the Bluetooth Wake Ability if Your Mac is Randomly Waking from Sleep
Many Mac users choose to put their computers to sleep when they’re not in use, and unless Macs are scheduled to wake at a specific time, the computer should stay asleep until it has been manually awoken by user input, like a key press or mouse click. Should of course is the operative word here, because some users have discovered that their Macs are waking from sleep seemingly at random, with no obvious reason for this to happen.

Animated GIFs are little moving images and they can be a lot of fun, particularly since they can be 

Creating a series of nested directories within one another can be done instantly through the command line. This makes it very easy to immediately and recursively create a complex directory structure of folders within subfolders of subfolders, without having to navigate manually into each directory to create a new directory, then navigate again to that subdirectory to create yet another directory, and so on. Instead, a command line trick will create the complete intermediate directory path in one fell swoop.




The next time you’re at the command line and need to eject every single mounted volume, hard drive, disk, disk image, and/or external drive attached to a Mac, you can instantly eject them all in one fell swoop with a handy osascript command string. This is great if you work frequently in the Terminal and you’re wanting to quickly pack up a workstation and head out, but it’s also very useful for remotely managing Macs through an ssh connection, or adding to a shell script, amongst other potential uses.
iMessage sends text messages, pictures, and movies over cellular data rather than through the traditional SMS and MMS protocols, but have you ever wondered just how much of an iPhone data plan all your iMessage use is consuming? It turns out that you can find this information through a somewhat buried location in iOS Settings, and if you’re on a bandwidth capped data plan it may offer some actionable data to work with if you regularly find yourself hitting the limits of your cellular plan.

