Pretty much the same way it is used on desktops or workstations, the kernel runs, sets up a userspace, and you get a display (Not always X in mobile applications, for example, Android doesn't use X at all.) you can interact with like any other mobile OS.
I don't believe that Linux has been ported over to cellphones or tablets yet. But if it has, chances are that the amount is miniscule.
Linux is used for all types of computers, from servers to desktops to cellphones to embedded kiosks. For almost any purpose that you could need a computer with an operating system, you can use Linux.
Android, a customized version of Linux designed for cellphones and PDAs.
Thousands of machines run or are capable of running Linux. It can be run on most home desktops, servers, cellphones, PDAs, DVRs, and video game consoles.
Yes, you can use Linux even if you are not technologically savvy. Linux is used on a wide variety of consumer devices, including cellphones, PDAs, kiosks, and netbooks. You may have used Linux and not even realized it.As to whether or not you should, why not? Even for desktop distros, where the consumer has to install it themselves and make a conscious decision to use it, there is usually no need for a user to understand how a computer works. All it takes is an open mind to learn new ways of doing things, and the ability to follow simple instructions.
to talk to people who are not with you
Yes, Linux can be used on a mainframe.
cellphones and alarm clocks
Yes , Normally people get cellphones when they go to middle school
red hat enterprise Linux is used as a server while red hat Linux is used as client..
Linux is the kernel.
I think it was the Linux kernel. There are many used with Linux now.