- This document introduces systems programming and provides an overview of the topic. It discusses the need for systems programming, defines it as programs that help execute user programs effectively on a computer system, and notes that system software acts as an interface between the user and computer hardware. - It then describes the different types of system software/programs, which include compilers, loaders, operating systems, editors, and more. These control computer operations, translate human instructions, allocate resources, and provide a platform for application development and execution. - The document concludes by differentiating between system software and application software, providing examples of each, and listing some recommended textbooks on systems programming.