Cross word- Operating systems

Test your general knowledge about operating systems

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 Across
1  Operating system for mainframe computers, produced by IBM.
4  free Unix-like operating system descended from AT&T UNIX
6  initially designed for PDAs, however, later versions have been designed for smartphones and other mobile devices
10  Designed by HP for the RISC architecture of Motorola
11  mobile phone version of Mac OSX
12  Not as sophisticated as modern systems, but is very stable
14  initially created by Microsoft and IBM, then later developed by IBM exclusively.
15  a mobile operating system initially developed by Palm
16  Has a "robot " Logo.  a software stack for mobile devices that includes an operating system, middleware and key applications.
17  Designed by a company that was aquired by nokia

Down
1   originally known as Disk Operating System (DOS), and was the first disk-based operating system introduced for the System/360™ mainframe computers
2  operating system based on the Linux kernel and designed by Google
3  Windows Mobile phone OS
5  supports one the most popular smartphone of the corporate world
7  It is known as one of the most secure platforms, yet Linux is often viewed as more complex
8  Unix operating system originally developed by Sun Microsystems
9  Apple's trademark operating system software for their line of Macintosh computers
13  One of the most popular choice  but tends to be expensive than the others
16  IBM's Unix-based operating system,