In this post, I will describe about system software with English version language. It is based on E-Learning UNY file that composed by Kuswari, M.Kom.You can download my presentation file about this (with Indonesian version language),
here
COMPUTER SOFTWARE IS
1. A set of computer programs, procedures, and associated documentation concerned with the operation of a data processing system; e.g., compilers, library routines, manuals, and circuit diagrams.
2. Information (generally copyrightable) that may provide instructions for computers; data for documentation; and voice, video, and music for entertainment or education.
SOFTWARE CLASSIFICATION according to NAPCS (North American Product Classification System) model . In this classification the software is divided to System Software and Application Software, with each having several sub levels
- System software is the low-level software required to manage computer resources and support the production or execution of application programs but which is not specific to any particular application.
- Application software is software program that performs a specific function directly for the end user
1. Operating systems software
The low-level software which handles the interface to peripheral hardware,
schedules tasks, allocates storage, and presents a default interface to the user when no
application program is running.
Including :
Client and network operating systems
2. Network software
Software that is used to control, monitor, manage and communicate with operating systems, networks, network services, databases, storage and networked applications in an integrated and cooperative fashion across a network from a central location. Including :
Network management software
Server software
Security and encryption software
Middleware
Etc
. 
