M
Mac OS

Note the space. The official name of the Macintosh operating system.

Mac OS X

The X is the Roman numeral ten and pronounced “ten.”

Mac OS X window buttons

The buttons in the top-left corner of a Mac OS X window. The left button (red) is the Close button. The middle button (yellow) is the Minimize button, which places the file or folder in the Dock. The right button (green) is the Zoom button.

Mach

Mac OS X uses the Mach kernel, originally created at Carnegie Mellon University. The kernel handles such tasks as memory allocation and scheduling what tasks the computer is doing.

See also [BSD]
macro

A sequence of commands activated by a single command. A shortcut. A macro in Microsoft Word, for example, might open a new document and put your ...

Get Macintosh Bible, 8th Edition, The now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.