It uses Enlightenment as the default window manager and provides a user interface resembling that of Apple's Mac OS X.
Macpup 511 is the latest and is based on puppylinux 5.1.1,"Lucid Puppy", An official woof build of puppy Linux that is binary-compatible with Ubuntu Lucid Lynx packages.MP511 contains all the apps from Lucid puppy .Extra apps like Firefox, Opera or Gimp are available for easy download from the Quickpet App on the ibar or the Puppy Package Manager.MP511 also includes the Enlightenment E17 window manager.
The EFL libraries version 1.0.0 Beta and E17 version 52995 where compiled and installed from source..Please note that not all the options in the E17 system shutdown menu work with puppy linux.
That is why the exit menu was added.This menu will also allow you to change window managers to Jwm or Icewm.
Click here to read an overview of Puppy Linux.
Update: (via Distrowatch):
Johnny Lee has announced the release of Macpup 525, a Puppy-based Linux distribution with a customised Enlightenment 17 desktop: "Macpup 525 is based on Puppy Linux 5.2.5, 'Lucid Puppy', An official Woof build of Puppy Linux that is binary-compatible with Ubuntu 10.04. It contains all the applications from Lucid Puppy, with the addition of Firefox 4. Extra applications like Opera or GIMP are available for easy download from the Quickpet application on the iBar or the Puppy package manager. Macpup 525 also includes the Enlightenment E17 window manager. The EFL libraries version 1.0.999 and E17 version 59456 were compiled and installed from source. To keep your CPU cool and your fan quiet use the CPU Frequency Scaling Tool. The first time you run Macpup, the system will be running totally in RAM."
Refer to the release announcement for further details.
Download the live CD image from here: Macpup_525.iso (155MB, MD5).
• 2010-11-16: Development Release: Macpup 511
• 2010-04-24: Distribution Release: Macpup Opera 2.0
• 2009-11-30: Distribution Release: Macpup Foxy 3.0
• 2009-07-30: Development Release: Macpup Opera 061
• 2009-06-19: Distribution Release: Macpup Opera