Det er vigtigt at forstå dette, før vi går videre. Ligesom vi besøger en salon for at ændre vores look og blive trendy. På samme måde skal du udforme hardwarefunktionerne på dine personlige computere. Du skal være opmærksom på de bedste operativsystemer , der er tilgængelige^(Systems) til brug i dag. Men du bør også dvæle ved de værste operativsystemer for at redde dig selv fra langsomme eller beskadigede computere. Vi bringer dig listen over de bedste fejlbehæftede operativsystemer i denne artikel.

Top 10 værste operativsystemer^{(Top 10 Worst Operating Systems)}

Generelt forkortet til OS , Operativsystem^{(Operating System)} håndterer systemdata og fungerer som en grænseflade mellem hardwaren og softwaren på en computer. Kort^(Simply) sagt fungerer det som et kommunikationsmedium for den person, der betjener pc'en og selve maskinen. Operativsystemer kan^(Systems) klassificeres i:

• Generelle computeroperativsystemer
• Mobiloperativsystemer i realtid.

Lad os nu diskutere de 10 værste operativsystemer nogensinde^(Systems) individuelt. 

1. MS-DOS 4.0

Et proprietært produkt fra Microsoft udviklet i 1986^{(developed in 1986)} , blev frigivet på markedet i 1988. Sammenlignet med de tidligere versioner blev det mærket til at være det rådne æg i Microsoft -kurven af ​​nedenstående årsager:

• Det ville bare stoppe med at fungere i midten, ud af ingenting.
• Det kunne ikke multi-taske; så det ville kun køre ét program ad gangen 
• På grund af dens manglende evne til at multitaske^{(inability to multitask)} var den uegnet til arbejdsstationsapplikationer
• Dette OS var meget brugerafhængigt^{(highly user-dependent)} . Derfor kunne den ikke bruges, hvis brugeren har glemt sine kommandoer. 
• For nye brugere var det svært at huske alle kommandoerne. Dette fik dem til at flytte væk fra denne software. 
• Det havde svært ved at få adgang til RAM med mere end 640 MB lagerplads.
• Den accepterede ikke kommandoen automatisk afbrydelsesanmodning (IRQ)^{(Interrupt Request (IRQ) command)} . En bruger kunne således ikke køre noget nyt program, mens det satte programmet, der allerede kører, på hold.

2. Windows ME

Windows ME eller Millennium Edition af Windows var en proprietær software fra Microsoft , der blev lanceret i september 2000^{(launched in September 2000)} . Det havde følgende ulemper:

• Da det blev kørt med bugs, blev det et meget ustabilt system. 
• Funktioner som systemgendannelse og programinstallation var en komplet katastrofe^{(System Restore & Program Installation were a complete disaster)} , fordi de geninstallerede de allerede slettede vira på computeren.
• Dette gjorde det til et meget langsomt, usikkert og ustabilt system^{(slow, insecure, and unstable system)} .
• Systemparametre^(System) for nogle enheder understøttede ikke den forudinstallerede hardware.
• Mange gange, når du flytter musen efter at være vendt tilbage til arbejdet, poster du små pauser, hvilket resulterer i, at Windows ME går ned.
• En anden grund var, at dets brug kun var begrænset^{( usage was limited)} til hjemmebrugere.
• Dette operativsystem var ikke tilgængeligt på det åbne marked. 
• Mangel på sikkerhedsopdateringer var et andet stort problem med denne software.
• Forsøg på at fungere som både 16-bit og 32-bit OS^{(16-bit & 32-bit OS)} medførte mere kaos i driften i stedet for at forbedre den.
• Hovedårsagen til dets fiasko var tilbagetrækningen af ​​support fra Microsoft^{(withdrawal of support by Microsoft)} selv. 
• Lanceringen af ​​Windows XP , blot inden for et år efter udgivelsen af ​​denne software, viste sig at være et fatalt slag.

Læs også: ^{(Also Read:)} Ret Windows 10 Dvaletilstand, der ikke fungerer^{(Fix Windows 10 Sleep Mode Not Working)}

3. Windows Vista

Windows Vista blev udgivet i november måned i 2006^{(month of November in 2006)} , efter udgivelsen af ​​Windows XP , dets kraftfulde forgænger. Det skulle åbenbart slide hårdt for at skabe sig et navn på markedspladsen. Desværre kunne det ikke bygge videre på sit omdømme og blev markeret for at være blandt de ti værste operativsystemer nogensinde. Her er hvorfor:

• Denne software var tilbøjelig til oppustethed^(bloating) , dvs. langsommere programmer. 
• Det optog også større hukommelse på grund af adskillige forudinstallerede programmer og tilføjelsen af ​​uønskede nye funktioner til de eksisterende programmer. Dette er kendt som software krybning.
• Sådan software krybende^{(software creeping)} gjorde det forvirrende og til tider svært at bruge dette fejlbehæftede operativsystem.  
• Der var dårlig kompatibilitet^{(poor compatibility)} mellem hardwaren og softwaren. For eksempel er Windows 7 ikke kompatibel med Windows Vista . Så normalt kan begge ikke bruges samtidigt på den samme pc på grund af forskellige hardwarekrav. Derfor krævede Windows Vista kun Vista-kompatible computere.
• Af sikkerhedsmæssige årsager tillod det kun installation af ^{(only allowed the installation of)} signerede drivere^{(signed drivers)} . Det betød, at en softwareudvikler skulle anskaffe et Authenticode - certifikat fra Microsoft . Denne certificering var meget dyr og uden for rækkevidde for mindre, ikke-mærkede udviklere.
• Prissætning^(Pricing) var et andet problem med denne software, da det var meget dyrt for de fleste mennesker.
• Dette operativsystem tillod ikke visse programmer såsom Android Package Kit til installation af mobilapps, mobilspil, Aero - teknik, Windows -filmfremstillingsversioner osv.
• Dårlig markedsføring^{(Poor marketing)} af dette operativsystem blev en anden årsag til dets dårlige placering.

4. Windows 8/8.1

Med ideen om at bringe gennemgribende ændringer til brugergrænsefladen, blev denne software lanceret i år 2012^{(launched in the year 2012)} . Microsoft indså, at folk ikke længere arbejdede på en enkelt enhed, nemlig den personlige computer; i stedet brugte de forskellige enheder som bærbare computere, tablets, telefoner osv. Derfor blev Windows 8 introduceret for at imødekomme kravene fra flere enheder^{(Windows 8 was introduced to cater to the requirements of multiple devices)} . Det lykkedes ikke at nå sit mål, fordi:

• Afbrydelsen af ^{(discontinuation of the)} ​​startknappen^{(start button)} var et fuldstændigt forvirrende træk ved denne version.
• Det passede ikke til en hjemmecomputers behov, da brugerne blev ved med at blive mere forvirrede og frustrerede end tilpas.
• Det deaktiverede opstart^{(disabled booting)} , dvs. processen med at starte en computer eller et skrivebord. I stedet aktiverede det opstart af startskærmen, hvilket igen efterlod brugerne forvirrede.
• Til sidst måtte Microsoft gendanne Start^{(Microsoft had to restore the Start button)} -knappen på skrivebordet for at undgå alle de uopfordrede tumulter.
• De fleste af applikationerne i dette OS var ikke i stand til at arbejde på tværs af platforme^{(unable to work cross-platform)} og var kun funktionelle i Windows 8 .
• Man skulle søge efter søgeikonet^{(search for the search icon)} for at starte enhver søgning på din computer.
• Denne funktion kunne nemt have været placeret på skrivebordet, og denne knibe kunne have været undgået helt.
• Windows 8 krævede træning^{(required training)} af virksomhedens medarbejdere til at bruge denne software i en organisation. Dette resulterede ikke kun i uønskede uddannelsesomkostninger, men også i tab af medarbejdernes produktivitet. Det tog mere tid, kræfter og penge at gøre ikke-tekniske brugere fortrolige med denne software, hvilket genererede mere skade end gavn for nævnte organisation. 
• Opgradering til dette system involverede en ændring af drivere^{(change of drivers)} i de perifere enheder, der var tilsluttet computeren. Derfor^(Hence) krævede alle enheder som printere, mikrofoner, højttalere, kameraer osv. nye drivere, hvilket øgede systemomkostningerne endnu mere.
• For at invitere en ekstern højttaler, der bruger Windows 8 bærbar, krævede fjernmikrofonen en ændring til en kompatibel driver. Dette gjorde ofte brugen af ​​fjernmøder umuligt^{(remote meetings unfeasible)} .
• En situation med split-brain syndrome blev skabt på et kontor, der anvender Windows 8-systemer. Det kan føre til , at data bliver korrupte eller inkonsekvente^{(data getting corrupt or inconsistent)} .
• Windows 8 resulterede i en mangel på effektiv udveksling af information mellem forskellige medarbejdere i en organisation og forskellige brugere verden over.

I lyset af ovenstående ulemper udgav Microsoft Windows 8.1 i oktober 2013^{(October 2013)} , et år efter udgivelsen af ​​Windows 8 . Window 8.1 rettede de eksisterende fejl ved at overvinde uoverensstemmelserne i Windows 8 og gjorde det muligt for brugerne at få en mere effektiv funktion. Selvom det også hurtigt blev opgivet til fordel for Windows 10 .

Læs også: ^{(Also Read:)} Fix Der er i øjeblikket ingen strømforsyninger tilgængelige^{(Fix There Are Currently No Power Options Available)}

5. Vindue 1.01^{(5. Window 1.01)}

Det er en Microsoft closed source, grafisk brugergrænseflade snarere end kommerciel DOS -kommandolinjegrænseflade. Selvom det blev annonceret til at blive offentliggjort i november 1983 , blev det endelig udgivet som en tilføjet version af MS-DOS i november 1985^{(released as an added version of MS-DOS in November 1985)} . Det blev inkluderet på listen over 10 værste operativsystemer nogensinde på grund af følgende årsager:

• Dens dårligt designede brugergrænseflade^{(poorly designed user interface)} kunne ikke opfylde forbrugernes specifikke behov.
• Dens pludselige kollaps midt i et kørende program viste dets dårlige gennemførlighed^{(poor workability)} . Dette tilføjede bare brænde på bålet.
• Forsinkelsen af ​​indførelsen af ​​dette system med to år forårsagede yderligere dets undergang.
• Tilgængeligheden af ​​det langt overlegne Mac 2.1 OS^{(superior Mac 2.1 OS)} , som inkluderede  AppleTalk - netværk, PostScript -udskrivning med laserskriverprinter og sofistikeret pc-baseret hierarkisk filsystem^{(Hierarchical File System)} overmandede dets funktioner. Følgelig kunne Microsoft ikke skabe megen brugerinteresse for Windows 8 på tidspunktet for dets lancering. 
• Dens vægt på brugen af ​​museinput^{(use of mouse input)} til at styre brugergrænsefladen var ikke udbredt på det tidspunkt. Det var uden for brugernes forståelse og kunne derfor ikke skaffe en fanbase.
• Dens ikke-Y2K-overholdelse^{(non-Y2K compliance)} kombineret med lavere ^(lower) hardwarespecifikationer^{(hardware specifications)} resulterede i ydeevneproblemer.
• Dens begrænsede ressourcetilgængelighed^{(limited resource availability)} var ikke i stand til at generere den ønskede interesse og/eller imponere de nye Windows- brugere.

6. Corel Linux

Af de tre store operativsystemer til computere, nemlig Windows , Mac og Linux , er Linux det mindst omtalte open source-fejl operativsystem. Linux blev skabt af Debian og blev udgivet på det åbne marked i november 1999^{(released in the open market in November of 1999)} . Det blev udråbt til endelig at stoppe Microsofts^(Microsoft) monopol, men det mislykkedes dybt, fordi:

• Dens sene udgivelse^{(late release)} og eksisterende tilgængelighed af andre operativsystemer som Microsoft Windows 98, Windows 2000 og Apple Mac OS 9 hjalp det ikke med at vinde popularitet.
• I modsætning til Windows og Mac , som havde mange bestemte versioner, havde Corel Linux ingen standardudgave^{(had no standard edition)} . Med hundredvis af brugerudviklede udgaver flydende på markedet, blev det meget udfordrende at vælge den bedste. Denne forvirring afholdt nye brugere fra at acceptere det.
• Installationsprocessen af ​​dette OS var ^{(installation process of this OS was)} meget besværlig^{(very cumbersome)} , hvilket gjorde installationen af ​​nye programfiler af nye brugere til et maratonløb.
• De fleste gange mislykkedes installationen af ​​denne software på grund af iboende softwarefejl^{(inherent software errors)} .
• Oftere end ikke styrtede den ned^(crashed) efter en indledende genstart af installationsfilerne.
• Corel Linux filhåndtering gav ikke nem adgang til sine drivere og tog lang tid at indlæse filer. Dette gjorde det difficult to upload/download files online , hvilket yderligere afskrækkede nye brugere fra at vælge det.
• Der var vanskeligheder med at få ^{( difficulty in getting)} teknisk support^{(technical support)} til at finde computerteknikere, der var velbevandret i Linux , efter behov.
• Med de fleste mennesker vant til Windows og Mac krævede det mere indsats^{(required more effort)} og en bredere videnbase at bruge dette fejlbehæftede operativsystem. Det var ret udfordrende for nye brugere og afholdt dem fra at forfølge det.
• På trods af den sene udgivelse var Corel Linux grafisk langt forud for sin tid. Mange mennesker kunne ikke forstå eller korrelere^{(could not understand or correlate)} , hvilket gør en tilbagetrækning fra det til en lettere mulighed.

Læs også: ^{(Also Read:)} Sådan indstilles alarmer i Windows 10^{(How to Set Alarms in Windows 10)}

7. Java OS

Dette udtænkte af Sun Microsystems^{(brainchild of Sun Microsystems)} blev udviklet med bistand fra IBM -computere og blev frigivet til offentligheden i 1996^{(in 1996)} . Desværre tog det ikke fart som forventet, på trods af den enorme støtte fra IBM -computere. De vigtigste årsager til dens fiasko er anført nedenfor:

• Dens ydeevne var ikke på niveau med sine konkurrenter. Det blev anset for at være drastisk langsommere^{(drastically slower)} end softwaren skrevet på other programming languages like C, C++, etc . 
• Java -operativsystemet blev skrevet i Java , som var et af de sværeste programmeringssprog^{(hardest programming languages)} sammenlignet med de mere simple C, C++ sprog. Folk foretrækker altid den nemmere mulighed, hvilket resulterede i, at brugerne tog afstand fra Java .
• Java-operativsystemet forbrugte større hukommelsesplads ^{(consumed higher memory)} sammenlignet^(space) med andre OS, fordi det var designet til at køre på Java -netværksmaskiner og indlejrede systemer.
• På grund af dens langsomme ydeevne og høje hukommelseskrav var den nødvendige hardware mere kompleks. Dette resulterede i højere hardwareomkostninger,^{(higher hardware costs)} hvilket gjorde det dyrere.
• Det gav ingen backup-facilitet^{(no backup facility)} . Så det var ikke muligt at gendanne data tabt på grund af hardware- eller softwarefejl.
• På samme måde kunne du ikke gendanne tidligere lagrede data i tilfælde af et ondsindet virus eller malwareangreb, datakorruption eller utilsigtet sletning af data.
• Java-operativsystemet manglede en god GUI^{(lacked a good GUI)} og frøs gentagne gange^{(froze repeatedly)} .

8. Symbian

Symbian-operativsystemet lanceret af Nokia^{( launched by Nokia)} opstod i år 1997^{( in the year 1997)} . Det blev designet som et mobilt styre- og computersystem til smartphones. Det gjorde sin tilstedeværelse mærket og vandt popularitet under lanceringen af ​​Nokia S60 -softwareplatformen i 2002. Men systemet havde mange fejl, hvilket placerede det på listen over de ti værste operativsystemer nogensinde. Lad os tage et kig på et par stykker:

• Dette fejlbehæftede operativsystem blev let påvirket af fejl og vira^{(easily affected by bugs and viruses)} .
• Det var meget udsat for fejl^{(highly prone to errors)} .
• Standardbrowseren leveret med Symbian OS var meget dårlig med hensyn til markedsrespons^{(poor in terms of market response)} og kunne ikke stå i konkurrence med Apple iOS i 2007 og Android i det følgende år.
• Det kunne aldrig rette op på manglerne eller forbedre sin brugergrænseflade^{(User Interface)} . Det afspejlede brugergrænsefladen for Apple og Android , dets konkurrenter.
• Nokia gjorde ikke sin tilstedeværelse mærket eller søgte efter nye applikationer til sit mislykkede operativsystem for at forbedre sit markedsfodaftryk.
• Symbian OS havde svært ved at indlæse WAP-aktiverede websider^{(difficult to load WAP-enabled web pages)} . WAP eller Wireless Application Protocol er en kontrakt, der muliggør øjeblikkelig forbindelse mellem trådløse enheder som mobiltelefoner og internettet.
• Denne software var inkompatibel med forskellige versioner af Symbian -operativsystemet, hvilket resulterede i yderligere fald i dens popularitet blandt dets brugere.

Læs også: ^{(Also Read:)} Reparer harddisken, der ikke vises i Windows 10^{(Fix Hard Drive Not Showing Up in Windows 10)}

9. ITS

The Incompatible Timesharing System eller ITS operativsystem var et produkt fra slutningen af ​​1960'erne^{(product of the late 1960s)} . Den blev skrevet i DEC PDP-6 og PDP-10 assemblysprog med hver fil gemt i dens udpegede mappe. Dette fejlbehæftede operativsystem understøttede et filnavn på seks tegn med et enkelt bogstav pr. mappe. Det kunne ikke tåle tidens prøve og blev derfor rangeret blandt de ti dårligste operativsystemer nogensinde af de grunde, der er angivet nedenfor:

• ITS krævede ikke en adgangskode for at logge ind, hvilket førte til svækket systemsikkerhed^{(weakened system security)} . Alle kunne logge ind på dine interaktive sessioner.
• Brugere gjorde det bedste ud af systemfejl og brugte crash-kommandoer til at crashe systemet med vilje for at forårsage gener og forstyrrelse.
• Privatlivets fred for brug blev også kompromitteret, fordi enhver kunne redigere^{(anyone could edit)} dine filer, online dokumenter og endda kildekoden.
• Ved at bruge en kommando kaldet OS eller Out Spy^{(OS or Out Spy)} , kunne enhver se, hvilke aktiviteter der fandt sted i andre brugerterminaler på det samme netværk.
• En bruger kunne sende en øjeblikkelig besked til hvem som helst^{(instant message to anyone)} , uanset om de kendte dem eller ej.
• Nem adgang, med eller uden en gæstekonto, var tilladt. Således kunne enhver komme ind som en turist og aktivt deltage i en session. Dette gav ikke kun anledning til, men opmuntrede også hackerkulturen^{(encouraged the Hacker culture)} .
• Fremgangen og populariteten af ​​UNIX^{(rise and popularity of UNIX)} , et multi-bruger, multi-tasking og mere stabilt operativsystem vandt popularitet over dette system, med tiden. Det blev et bedre og sikrere link mellem computeren og dens brugere, hvilket fik dem til at trække sig væk fra ITS . 

10. Lindows

Lindows Inc. i år 2001^{(year 2001)} forsøgte at slå sammen og skabe en blanding eller hybrid version af Linux og Windows^{(hybrid version of Linux and Windows)} og kaldte den Lindows . I deres forsøg på at erobre Microsoft -markedet og trække dets kunder væk, kom dets udviklere på denne geniale idé om at kombinere UX af Windows og open source-funktionerne i Debian Linux . De mislykkedes i deres forsøg dybt af årsager beskrevet nedenfor:

• Dette system var unødvendigt kompliceret^{(unnecessarily complicated)} og svært at bruge af den gennemsnitlige computerbruger.
• Det var let påvirket af fejl og vira.
• Størstedelen af ​​apps fungerede ikke^{(apps did not work)} på denne platform.
• Applikationerne krævede brug af WINE -software og var latterligt langsomme^{(ridiculously slow)} i drift.
• Selvom Red Hat Linux 8 ( RH 8 ) blev hævdet at være gratis software, havde det høje skjulte supportomkostninger^{(high hidden support costs)} , selv for nogle grundlæggende support.
• Lindows så meget klodset ud^{(clumsy-looking)} og havde ikke meget at tale eller skrive om.
• Hvis du virkelig ønsker at køre Windows - applikationer på Linux , er det bedre at få CodeWeavers 'CrossOver' Linux -  applikation som et alternativ.

På grund af ophavsretskrænkelse med sit navn måtte Lindows desuden^(Lindows) gennem forskellige retssager. Microsoft måtte betale en stor kompensation og besluttede derefter at bruge det under et nyt navn Linspire .

Anbefalede:^{(Recommended:)}

• Hvad er testtilstand i Windows 10?^{(What is Test Mode in Windows 10?)}
• 6 bedste gratis alternativer til Windows for avancerede brugere^{(6 Best Free Alternatives to Windows for Advanced Users)}
• Rette Microsoft Store, der ikke installerer apps^{(Fix Microsoft Store Not Installing Apps)}
• 14 måder at rydde cache på i Windows 11^{(14 Ways to Clear Cache in Windows 11)}

Personligt, ud over ovenstående, var der nogle andre fejlbehæftede operativsystemer som GNU Herd og SCO Open Desktop , som ikke var langt bagud på listen over de værste operativsystemer ^{(worst operating systems)} nogensinde^{(of all time)} . Denne liste er ikke udtømmende, men den må være tilstrækkelig for nu. Fortæl os, hvad du vil lære om næste gang.

Top 10 Worst Operating Systems

It is important to understand this before we delνe any further. Just like we visit a salon to modify our look and become trendy. Sіmilarly, you need to fashion the hardware capabilities of your pеrsonal computers. You must be aware of the best Oрerating Systems available for use today. But, yоu should alѕo dwell on the worst operating systems to save yourself from slow or damaged computers. We bring tо you the list of the best failed operating systemѕ in this artіcle.

Top 10 Worst Operating Systems

Generally abbreviated as OS, Operating System handles system data and acts as an interface between the hardware and the software of a computer. Simply put, it acts as a medium of communication for the person operating the PC and the machine itself. Operating Systems can be classified into:

• General-purpose computer operating systems
• Real-time mobile operating systems.

Let us now discuss the 10 worst Operating Systems of all time individually. 

1. MS-DOS 4.0

A proprietary product of Microsoft developed in 1986, was released in the market in 1988. Compared to the earlier versions, it was tagged to be the rotten egg of the Microsoft basket for the reasons listed below:

• It would just stop operating in the middle, out of nowhere.
• It could not multi-task; so, it would run only one program at a time 
• Due to its inability to multitask, it was unsuitable for work-station applications
• This OS was highly user-dependent. Hence, it could not be used in case the user forgot its commands. 
• For new users, it was difficult to remember all of the commands. This made them move away from this software. 
• It faced difficulty in accessing any RAM with more than 640 MB of storage space.
• It did not accept the automatic Interrupt Request (IRQ) command. Thus, a user could not run any new program while putting the program already running on hold.

2. Windows ME

Windows ME or the Millennium Edition of Windows was a proprietary software of Microsoft launched in September 2000. It had the following drawbacks:

• Being ridden with bugs, it became a highly unstable system. 
• Features like System Restore & Program Installation were a complete disaster because they re-installed the already deleted viruses on the computer.
• This made it a very slow, insecure, and unstable system.
• System parameters of some devices did not support the pre-installed hardware.
• Many a time, moving the mouse after returning to work post small breaks, resulting in Windows ME crashing.
• Another reason was that its usage was limited to home-users only.
• This OS was not available in the open market. 
• Lack of security updates was another major problem with this software.
• Trying to function as both, 16-bit & 32-bit OS brought about more chaos in its operation rather than improving it.
• The major reason for its failure was the withdrawal of support by Microsoft itself. 
• The launch of Windows XP, just within one year of the release of this software, proved to be a fatal blow.

Also Read: Fix Windows 10 Sleep Mode Not Working

3. Windows Vista

Windows Vista was released in the month of November in 2006, after the release of Windows XP, its powerful predecessor. It obviously had to toil hard to make a name for itself in the marketplace. Unfortunately, it could not build on its reputation and was flagged to be amongst the ten worst operating systems of all time. Here’s why:

• This software was prone to bloating i.e slowing down of programs. 
• It also occupied larger memory space due to numerous pre-installed programs and the addition of unwanted new features to the existing programs. This is known as software creep.
• Such software creeping made it confusing and at times, difficult to use this failed operating system.  
• There was poor compatibility between the hardware and the software. For example, Windows 7 is not compatible with Windows Vista. So, usually, both cannot be used simultaneously, on the same PC, due to different hardware requirements. Therefore, Windows Vista required only Vista-compatible computers.
• For security reasons, it only allowed the installation of signed drivers. This meant that a software developer would need to obtain an Authenticode certificate from Microsoft. This certification was very costly and out of reach for smaller, non-branded developers.
• Pricing was another issue with this software as it was very costly for most people.
• This OS did not allow certain programs such as Android Package Kit for installation of mobile apps, mobile games, Aero engineering, Windows movie maker versions, etc.
• Poor marketing of this operating system became another cause of its poor ranking.

4. Windows 8/8.1

With the idea of bringing out sweeping changes to the user interface, this software was launched in the year 2012. Microsoft realized that people no longer worked on a single device viz the personal computer; instead, they were using various devices like laptops, tablets, phones, etc. Therefore, Windows 8 was introduced to cater to the requirements of multiple devices. It failed to achieve its objective because:

• The discontinuation of the start button was an utterly confusing feature of this version.
• It did not fit the needs of a home computer as users kept getting more confused and frustrated than at ease.
• It disabled booting i.e. the process of starting a computer or a desktop. Instead, it enabled the booting of the start screen, leaving the users bewildered, yet again.
• Eventually, Microsoft had to restore the Start button on the desktop to avoid all of the uncalled-for commotions.
• Most of the applications in this OS were unable to work cross-platform and were functional in Windows 8 only.
• One had to search for the search icon, to initiate any search on your computer.
• This feature could have been easily placed on the desktop and this predicament could have been avoided, altogether.
• Windows 8 required training of company employees to use this software in an organization. This resulted not only in unwanted training costs but also, in the loss of employee productivity. It took more time, effort, and money to familiarize non-technical users with this software, generating more harm than good for the said organization. 
• Upgradation to this system involved a change of drivers in the peripheral devices attached to the computer. Hence, all devices like printers, microphones, speakers, cameras, etc. required new drivers, thereby increasing system costs, even more.
• To invite a remote speaker using Windows 8 laptop, the remote microphone required a change to a compatible driver. This often made the use of remote meetings unfeasible.
• A split-brain syndrome kind of situation was created in an office employing Windows 8 systems. It could lead to data getting corrupt or inconsistent.
• Windows 8 resulted in a lack of efficient exchange of information amongst different employees in an organization and various users the world over.

In view of the above drawbacks, Microsoft released Windows 8.1 in October 2013, one year after the release of Windows 8. Window 8.1 fixed the existing flaws by overcoming the inconsistencies in Windows 8 and enabled the users to get a more efficient functioning. Although, that too was quickly given up in favor of Windows 10.

Also Read: Fix There Are Currently No Power Options Available

5. Window 1.01

It is a Microsoft closed source, graphical user interface rather than DOS command-line interface commercial software. Though it was announced to be made public in November 1983, it was finally released as an added version of MS-DOS in November 1985. It was included in the list of 10 worst operating systems of all time due to the following reasons:

• Its poorly designed user interface could not meet the specific needs of the consumers.
• Its sudden collapse in the midst of a running program showed its poor workability. This just added fuel to the fire.
• The delay in the introduction of this system by two years further caused its downfall.
• The availability of the far superior Mac 2.1 OS which included AppleTalk networking, PostScript printing with laser writer printer, and sophisticated PC-based Hierarchical File System overpowered its features. Consequently, Microsoft could not generate much user interest in Windows 8 at the time of its launch. 
• Its emphasis on the use of mouse input to control the user interface was not widespread at the time. It was beyond user comprehension and thus, couldn’t garner a fanbase.
• Its non-Y2K compliance coupled with lower hardware specifications resulted in performance issues.
• Its limited resource availability was unable to generate the desired interest and/or impress the new Windows users.

6. Corel Linux

Of the three major OS for computers namely Windows, Mac, and Linux, Linux is the least talked about the open-source failed operating system. Linux was created by Debian and was released in the open market in November of 1999. It was touted to finally stop the monopoly of Microsoft but it failed miserably because:

• Its late release and existing availability of other operating systems like Microsoft Windows 98, Windows 2000, and Apple Mac OS 9, didn’t help it gain popularity.
• Unlike Windows and Mac, which had many definite versions, Corel Linux had no standard edition. With hundreds of user-developed editions floating in the market, it became very challenging to choose the best one. This confusion dissuaded new users from accepting it.
• The installation process of this OS was very cumbersome making the installation of new program files by new users a marathon.
• Most times, the installation of this software failed due to inherent software errors.
• More often than not, it crashed after an initial reboot of the installation files.
• Corel Linux file manager did not provide easy access to its drivers and took a long time to load files. This made it difficult to upload/download files online, further, discouraging new users from choosing it.
• There was difficulty in getting technical support in finding computer technicians well versed in Linux, as and when needed.
• With most of the people used to Windows and Mac, it required more effort and a broader knowledge base to use this failed operating system. It was quite challenging for new users and deterred them from pursuing it.
• Despite its late release, Corel Linux was graphically way ahead of its times. Many people could not understand or correlate, making a withdrawal from it an easier option.

Also Read: How to Set Alarms in Windows 10

7. Java OS

This brainchild of Sun Microsystems was developed with the assistance of IBM computers and was released to the public in 1996. Unfortunately, it did not take off as anticipated, in spite of the tremendous support from IBM computers. The main reasons responsible for its failure are listed below:

• Its performance was not at par with its competitors. It was considered to be drastically slower than the software written in other programming languages like C, C++, etc. 
• Java operating system was written in Java, which was one of the hardest programming languages in comparison to the simpler C, C++ languages. People always prefer the easier option, which resulted in users distancing themselves from Java.
• Java operating system consumed higher memory space as compared to other OS because it was designed to run on Java network machines and embedded systems.
• Due to its slow performance and high memory requirement, the hardware required was more complex. This resulted in higher hardware costs making it costlier.
• It provided no backup facility. So, it was not possible to recover data lost due to hardware or software failure.
• Similarly, you could not recover any previously stored data in the event of a malicious virus or malware attack, data corruption, or accidental data deletion.
• Java operating system lacked a good GUI and froze repeatedly.

8. Symbian

The Symbian operating system launched by Nokia came into existence in the year 1997. It was designed as a mobile operating and computing system for smartphones. It made its presence felt and gained popularity during the launch of the Nokia S60 software platform in 2002. But the system had many fallacies, placing it in the list of the ten worst operating systems of all time. Let us take a look at a few:

• This failed operating system was easily affected by bugs and viruses.
• It was highly prone to errors.
• The default browser provided with Symbian OS was very poor in terms of market response and could not stand in competition with Apple iOS in 2007 and Android in the following year.
• It could never rectify the deficiencies or improve its User Interface. It mirrored the user interface of Apple and Android, its competitors.
• Nokia did not make its presence felt or search for new applications for its failed operating system to improve its market footprint.
• The Symbian OS found it difficult to load WAP-enabled web pages. WAP or Wireless Application Protocol is a contract that enables instant connectivity between wireless devices like mobile phones and the internet.
• This software was incompatible with various versions of the Symbian operating system, resulting in further decreases in its popularity among its users.

Also Read: Fix Hard Drive Not Showing Up in Windows 10

9. ITS

The Incompatible Timesharing System or ITS operating system was a product of the late 1960s. It was written in DEC PDP-6 and PDP-10 assembly languages with each file stored in its designated directory. This failed operating system supported one mono-case, six-character file name per directory. It could not stand the test of time and was thus, ranked amongst the ten worst operating systems of all time for the reasons indicated below:

• ITS did not require a password to log in which led to weakened system security. Anyone could log into your interactive sessions.
• Users made the best of system flaws and used crash commands to crash the system, on purpose to cause nuisance and disturbance.
• Privacy of use also stood compromised because anyone could edit your files, online documents, and even the source code.
• Using a command called OS or Out Spy, anyone could see what activities were taking place in other user terminals on the same network.
• A user could send an instant message to anyone, irrespective of whether they knew them or not.
• Ease of access, with or without a guest account, was allowed. Thus, anyone could enter like a tourist and actively join a session. This not only gave rise to but also encouraged the Hacker culture.
• The rise and popularity of UNIX, a multi-user, multi-tasking, and more stable operating system gained popularity over this system, with time. It became a better and safer link between the computer and its users, making them pull away from ITS. 

10. Lindows

Lindows Inc. in the year 2001, tried to amalgamate and create a mix or hybrid version of Linux and Windows, naming it Lindows. In their bid to capture the Microsoft market and pull its customers away, its developers came up with this brilliant idea to combine the UX of Windows and the open-source capabilities of Debian Linux. They failed in their attempt miserably for reasons detailed below:

• This system was unnecessarily complicated and difficult to use by the average computer user.
• It was easily affected by bugs and viruses.
• The majority of the apps did not work on this platform.
• The applications required the use of WINE software and were ridiculously slow in operating.
• Though Red Hat Linux 8 (RH 8) was claimed to be free software, it had high hidden support costs, even for some basic support.
• Lindows was very clumsy-looking with not much to talk or write about.
• If you really want to run Windows applications on Linux, it is better to get CodeWeavers ‘CrossOver’ Linux application as an alternative.

Moreover, due to copyright infringement with its name, Lindows had to through various lawsuits. Microsoft had to pay a heavy compensation and then, decided to use it under a new name Linspire.

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Personally, in addition to the above, there were some other failed operating systems like GNU Herd and SCO Open Desktop which were not far behind on the list of the worst operating systems of all time. This list is not exhaustive but it would have to suffice for now. Let us know what you want to learn about next.

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