There are a number of Linux commands that will display file system types along with the file system names, mount points and such. Some will also display sizes and available disk space. The df command ...

Finding files of a particular kind in macOS is a breeze using Spotlight, whether as a search in a Finder window or by creating a smart folder. You can specify a file’s type by using the right syntax ...

Usually, when you have a video file on your iPad or iPhone, the file can play on that device—why else would it be there? But occasionally you’ll run into a need to convert a video file, like I did ...