$ sudo screencapture -ttiff loginwindow.tiff On the second Mac, I then issued these commands: $ cd ~/Desktop (See the No Files Left Behind article for more detailed info on using ssh to remotely access another Mac.) On the second Mac, I opened Terminal (in Applications: Utilities) and used the command ssh to connect to the first. If you haven’t enabled Fast User Switching yet, you’ll have to do so first-it’s in the Login Options section of the Accounts System Preferences panel. To do that, I just chose Login Window from the Fast User Switching menu in the menubar. For instance, here’s how I captured the login window:įirst, I had to get the login window on-screen. You can also specify some of the command line arguments, as shown in the man page. Once you’ve used ssh to connect to the Mac whose screen you wish to capture, you need to execute the screencapture command with root privileges. While there’s not a ton of documentation on this program, man screencapture will give you the basic options. You can click on this screenshot and make annotations and directly share it with your friends.OS X includes a nice command-line screen capture utility named, simply enough, screencapture.

Once a screenshot is captured in macOS Mojave a small thumbnail of the screenshot appears briefly in the lower-right corner of your screen. You can use different tools on the screenshot toolbar to capture the entire screen, capture a selected window, or capture a selected region. In fact, one of the major highlights of macOS Mojave was it’s new screenshot tools. If your computer runs on macOS Mojave then the Shift-Command-5 keyboard is best for you. Later, you can move this selection to some other region of the screen.

Press And Hold The Space Bar: If you press and hold the space bar after making the selection the shape and size of your selection will be retained.

You can select the desired window using the camera icon and then the screenshot of that particular windows will be saved with a white border and a drop shadow.

Press And Release The Space Bar: If you press and release the space bar after triggering the screenshot shortcut the crosshair will convert into a small camera icon.

How to take a screen shot mac os