Smartphone a patent can sue to prevent competitors from using the methods the patent covers. Since the 2010's the number of lawsuits, counter-suits, and trade complaints based on patents and designs in the market for smartphones, and devices based on smartphone OSes such as Android and iOS, has increased significantly. Initial suits, countersuits, rulings, license agreements, and other major events began in 2009 as the smartphone market stated to grow more rapidly by 2012. Some apps allows for sending and receiving facsimile (Fax), over a smartphone, including facsimile data (composed of raster bi-level graphics) generated directly and digitally from document and
Network operating system Network operating system The term network operating system is used to refer to two rather different concepts: Network operating systems can be embedded in a router or hardware firewall that operates the functions in the network layer (layer 3)."" Early microcomputer operating systems such as CP/M, DOS and classic Mac OS were designed for one user on one computer. As local area network technology became available, two general approaches to handle sharing arose. In a peer-to-peer network operating system users are allowed to share resources and files located on their computers and access shared resources from others. This system is