C is a general-purpose high level language that was originally developed by Dennis Ritchie for the Unix operating system. Simple OS Commands, simple input output program, integer, real, character and string, conditional statement (if, if-else-if, switch-case), looping & iterations (for, while, do-while, continue, break), arrays (one, two and three dimensional), Structures and Union, pointers and File handling are practiced in this lab.