If by system you mean society, police & Government are 2 types of authority.
Types of System CallsThe main types of system calls are as follows:Process Control: These types of system calls are used to control the processes. Some examples are end, abort, load, execute, create process, terminate process etc.File Management: These types of system calls are used to manage files. Some examples are Create file, delete file, open, close, read, write etc.Device Management: These types of system calls are used to manage devices. Some examples are Request device, release device, read, write, get device attributes etc.Information Maintenance: These types of system calls are used to set system data and get process information. Some examples are time, OS parameters, id, time used etc.Communications: These types of system calls are used to establish a connection. Some examples are send message, received messages, terminate etc
Windows Vista (Everything)
metric system (european) and natural system
All modern day computers have some form of operating system.
An accounting system is a program or a system that is used in management and processing of accounts. Some of the types of accounting systems include management accounting, cost accounting, manual systems, double entry and so many others.
the different types of ISAR System
well there almincine which is very strong towrds the imune system
an organizational system
Some types of plants, known as vascular plants, have a system of vessels like circulatoy systems
We have two types of system boards which are; Nonintergrated system board and Intergrated system board.
Types of codification system