screencapture:tldr:e4a10

The command "screencapture -T ${seconds} ${filename-png}" captures a screenshot of the screen on your computer and saves it as a PNG image file.

Here is a breakdown of the command:

• "screencapture" is the command-line tool in macOS that captures screenshots.
• "-T" is an option for specifying the delay in seconds before taking the screenshot. The "${seconds}" placeholder should be replaced with the desired number of seconds.
• "${filename-png}" is a placeholder for the name of the output file. The ".png" extension is added to specify that the file should be saved as a PNG image. You should replace "${filename-png}" with the name you would like to give to the screenshot file.

Here's an example to clarify:

If you want to take a screenshot after a 5-second delay and save it as "my_screenshot.png", the command should look like this:

screencapture -T 5 my_screenshot.png