Still surprised to see 'coming soon' tag on portable os.
I downloaded puppy linux iso onto my pc and burn it on cd, load directly from cd and it has the option of making a portable puppy linux at the start menu with other options. I am still a newbie for linux as an os; but still, it IS a portable os.
Anyone interested in it may download from http://www.puppyos.com/download/downpage.htm
Hopin to see more cute portable apps.