OS2 - More Overview

7/25/2019 OS2 - More Overview

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Operating SystemMore Overview

Saiful AnwarState Polytechnic of Jakarta

January, 2007


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Operating System, More Overview 2

Software

Operating Systems Run wide variety of tasks

Run when computer is started

Only one OS operates at a time

Applications Run specified tasks

Only run when initiated Can run multiple applications at a time


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Operating System, More Overview

!hat "oes Operating System

"o Manages all theresource in a computer

(including processor,

memory, i/o devices !rovides an interface

"etween the hardware

and application

software#


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Operating System, More Overview #

Mostly use" OS

$esktop %indows

Mac OS

&ni'/inu' and their si"lings#

!$A !alm

!ocket !C )m"edded inu' OS


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Operating System, More Overview $

Macintosh Operating System

Evolvedfrom *+-.s original MacOS

*+- Mac was first commercial computer with

raphical &ser 0nterface (&0 and mouse

Currently MacOS +, MacOS 1

0nventor of trash can, alias (shortcut, pull2

down menus, etc#

Evolution is progressive change or improvement


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Operating System, More Overview %

Mac OS &etails

Control Strip

Alias (same as shortcut

Single2"utton Mouse (can "e customi3ed

Sherlock 4 (glo"al search utility, copied in

%indows 4555 and %indows M)

)asy to use, hard to trou"leshoot


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Operating System, More Overview 7

!in"ows OS

%indows is "uilt on top of MS2$OS, the

MicroSoft2$isk2Operating2System, "ased

$OS#

%indows *#5 very delayed, very poor 6uality

%indows 7#* (c# *++4 first usa"le version,

still very limited in comparison to MacOS 8

%indows +9 revolutionary for 0ntel "asedcomputers, "ut, :ust a copy of Mac OS

Revolution is non-progressive change, major drastic change


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Operating System, More Overview '

!in"ows ($

Stole Recycle ;in, Shortcuts, and

Menu System from Macintosh OS

)'cellent user2friendliness for

operations

ike MacOS, suffers from un2friendliness for trou"leshooting

)'cellent multi2tasking capa"ilities

(run multiple programs2uses virtual

memory


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Operating System, More Overview (

Multi)tasking


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Operating System, More Overview *0

!in"ows +istory

%indows +9 for home machines, sta"le, simple %indows =< -#5 for "usiness/office computers

%indows + replaces +9, very unsta"le, :ust a facelift %+ Release 4 much "etter, still sucked

%indows 4555 replaces %in =< -#5 0ncredi"ly sta"le, not very "ackwards compati"le

%indows M) (Millennium )dition replaced %+ (fall 4555 Almost no new features Seems a little more sta"le than %+ >aster Startup


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Operating System, More Overview **

!in"ows P

Released 4554

?ome version and "usiness version "ased

on same OS !reviously, %in =< @ +9 different, 4555 and M)

different

More sta"le than %in +/M), not as sta"le as

%4555


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Operating System, More Overview *2

-inu. an" /ni. &ni' was the first usa"le OS and still widely

used today# 0t runs on special computers, e#g#

Sun, Silicon raphics, ?!, $)C inu' was a miracle, initali3ed "y inus


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Operating System, More Overview *

anking the OperatingSystemsStability &ni' inu' Mac OS 1 %indows 4555 %indows 1! !ro %indows 1! ?ome Mac OS +

$OS %indows +9 %indows + %indows M)

Ease of Use Mac OS + %indows M)/+/+9 Mac OS 1 %indows 4555/=< inu' &ni' DOS!


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Operating System, More Overview *#

1uture of Operating Systems

Microsoft must address sta"ility pro"lems in homecomputers %indows 1! was a small step

inu' "ecomes more popular, "ut only for advancedusers and in server market#

Macintosh.s market penetration more "ased onhardware appeal rather than software 0n old days, Macs succeeded "ecause they were the only

&0 on the "lock# !eople "ought Macs for the software

%indows is such a good copy that hardware, relia"ility, andprice is now a "ig reason for the purchase of a Macintosh


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hank 3ou

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OS2 - More Overview