Arirang (smartphone) Arirang (smartphone) Arirang is a North Korean Android smartphone announced on 10 August 2013. The phone was distributed to local sales points operated by mobile operators such as Koryolink to be sold together with 3G SIMs or as a stand-alone. It is named after the "Arirang" Korean folk song. The Korean Central News Agency (KCNA), North Korea's state news agency, reported that the phone, which utilizes a touch screen and a camera with "high pixels," is produced entirely within North Korea. The phone appears to run a derivative of the Android operating system. Blogger Martyn Williams has expressed skepticism, commenting
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