To construct today's distributed, network applications and services, you really want profound dominance of sockets and other key networking APIs. This book conveys extensive, beginning-to-end direction for building strong, high-performance network frameworks in any environment. This book speaks about the solution focusing on LINUX, Shells, IPC and Signals, TCP Sockets, UDP Sockets, and some Advanced Sockets like Raw sockets, Threads, Mutuxes, TCP Echo Server, Ping Program, and Trace Route. This book is prepared for easy understanding of the learners about the basic concepts and the network applications.