Os Sete has 380 pages.
There are many types of OS in a smart card.some are-Java CardMULTOSDash2Dash3
two
Normally there is only one OS installed at a time.
"Os Maias" by Eça de Queirós has approximately 700 pages in its original Portuguese version.
It is estimated that Mac OS consist of 60 million lines of code.
You have 30 days to activate the OS
256
Technically OS X can run on a PC, and many hackers have created "cracked" versions of OS X that will run on a PC. The reason it does not is because Apple requires OS X to be run on "Apple Branded Hardware".
Desktop computers and laptop use the same OS. Microsoft Windows is one popular OS, Macintosh OS X is another, as is Linux in in its many Distros.
No a RTOS is used only for real time applications and does not have many needed feature of a normal OS.
Yes OS X supports P2P protocols and many other common protocols to windows, so there should not be a problem as long as you have compatible software.