According to the operating environment and job processing mode, it can be divided into batch processing system (MVX, DOS/VSE), time-sharing system (WINDOWS, UNIX, XENIX, Mac OS) and real-time system (iEMX, VRTX, RTOS, RT Linux).
According to the number of users supported, it can be divided into single user (MSDOS, OS/2) and multi-user system (UNIX, MVS, Windows).
According to the hardware structure, it can be divided into network operating system (Netware, Windows NT, OS/2 warp), distributed system (Amoeba), multimedia system (Amiga) and so on.
These five operating systems are batch operating system, time-sharing operating system, real-time operating system, network operating system and distributed operating system.
CP/M
CP/M is actually the first microcomputer operating system, which enjoys the privilege of commanding the host, memory, drum, tape, disk, printer and other hard devices. By controlling the programs and data on the bus, the operating system executes people's instructions in an orderly manner. ...
Chief Designer: Dr. gary kildall.
Date of appearance:1974 > > & gt& gt& gt details
Microsoft Disk Operating System (MS-DOS)
DOS system was developed by Microsoft in 198 1 for IBM personal computer, namely MS-DOS. It is a single user and single task operating system. From 1985 to 1995, DOS dominated the operating system.
Chief Designer: Tim Patterson
Date of appearance: 198 1 year.
trait
Convenient file management and good peripheral support.
Small and flexible
Numerous applications
Windows operating system
Windows is an operating system designed for personal computers and server users. The first version of it was released by Microsoft in 1985, and finally gained the monopoly position of personal computer operating system software in the world. Recently, all Windows are completely independent operating systems.
Main design: Microsoft
Date of appearance: 1985
trait
graphical interfaces
Multi-user, multi-task
Good network support
Excellent multimedia function
Good hardware support
Numerous applications
Unix operating system
Unix is a time-sharing computer operating system, and 1969 is implemented in AT&; TBell lab was born. Since then, its superiority has irresistibly occupied the network. Most important network links are built by Unix.
Main design: at & amp； Teber laboratory
Date of appearance: 1969.
trait
Network and system management
High security
connect
Connectivity
internet
Data security
maneuverability
System manager
Ignite /UX
Process resource manager
Linux operating system
Simply put, Linux is a Unix clone operating system, compatible with most Unix standards in source code, and a stable operating system that supports multi-user, multi-process, multi-thread and good real-time performance.
Chief Designer: Linus Torvalds
Date of appearance: 199 1 year.
special
The point is completely free.
Fully compatible with POSIX 1.0 standard.
Multi-user, multi-task
Good interface
Rich network functions
Safe, stable and reliable.
Multi-process, multi-thread, good real-time performance
Support multiple platforms
FreeBSD
FreeBSD is an advanced BSD UNIX operating system developed and maintained by many people. Outstanding function FreeBSD provides advanced network, load capacity, excellent security and compatibility.
Master Design: Berkeley School, California
Date of appearance: 1993
special
Point multitasking function
multi-user system
Powerful network function
Unix is very compatible.
Efficient virtual memory management
Convenient development function
Mac operating system
Mac OS is an operating system running on Apple Macintosh series computers. Mac OS is the first successful graphical user interface in the business field. The latest system version is MAC OS x10.3.x.
Main designers: Bill Atkinson, Jeff Ruskin and andy hertzfeld.
Date of appearance: 1984
special
Point multi-platform compatibility mode
Be prepared for safety and service.
Take up less memory
Various development tools
Palm operating system
Palm OS is a 32-bit embedded operating system for handheld computers. The combination of Palm OS and HotSync can synchronize the information on PDA and PC, and extend the functions of desktop to Palm.
Main Design: Pocket Computing Department of 3Com Company.
Date of appearance: 1996
special
point
Rich in functions
multifunction