Noocyadii hore ee Windows , waxay u badan tahay inaad xasuusato feylkii hore ee bogsiinta ee wanaagsan. Waxaa la adeegsadaa marka xusuusta jireed ay noqoto mid si xad dhaaf ah u go'an waxayna haysaa walxo aan inta badan la helin waqti dheer. Taasi waa pagefile.sys . Marka xigta, waxaan haysanay ikhtiyaarka hibernate ee Windows kaas oo kuu ogolaanaya inaad kaydiso kernel-ka iyo dhammaan codsiyada ku jira dariiqaaga adag si aad u bilowdo kombuyuutarkaaga si dhakhso ah markaad dib u bilowdo buuxda. Taasi waa hiberfile.sys .

Gudaha Windows 8/10 , arrimuhu aad bay u dhib badan yihiin. Pagefile.sys waa jiraa mar walba, laakiin hiberfil.sys ayaa jira oo kaliya haddii aad si dhakhso ah u bilawday Windows . Waa maxay bilawga degdega ah? Waxay asal ahaan u ogolaataa Windows inuu sameeyo xidhid isku-dhafan. Tani waa sababta Windows 8/10 uu aad uga dhaqso badan yahay noocyadii hore ee Windows . Fiiri qoraalkaygii hore ee sharxaya waxa xidhitaanka isku-dhafka ah ee Windows 8^{(what a hybrid shutdown is in Windows 8)} .

Si loo isticmaalo sifada xidhitaanka isku-dhafka ah ee cusub, kaas oo si toos ah u shidmay, hibernation waa in laga shaqaysiiyo Windows . Haddii hibernation uu naafo yahay, ma lahaan doontid faylka hiberfil.sys mana awoodi doontid inaad isticmaasho ikhtiyaarka bilawga degdega ah sidoo kale. Waxaad ka akhrisan kartaa qoraalkayga halkan ku saabsan awoodgelinta hibernation gudaha Windows^{(enabling hibernation in Windows)} .

Hadda waxa xiisaha leh ayaa ah in marka aad si degdeg ah u shaqeysid (macneheedu waa hibernation waa karti), markaa hiberfil.sys-kaaga wuxuu noqon doonaa qiyaastii 75% RAM -kaaga iyo feylka bogga wuxuu noqon doonaa 25%. Tani waa sababta oo ah hiberfil.sys ka kooban yahay kernel-ka Windows iyo wadayaasha aaladaha. Faylka boggaga waxaa la isticmaalaa kaliya haddii RAM oo dhan uu daalan yahay nidaamkayaga oo keliya oo la isticmaalo inta aad dhab ahaantii ku shaqeyneyso Windows . Hiberfil.sys waxaa loo isticmaalaa oo kaliya habka boot-ka.

Haddii aadan lahayn hibernation karti u leh Windows , waxaad arki doontaa in faylka paging-ka uu hadda la mid yahay xaddiga RAM ee aad haysato.

Sawirka kore, waxaan haystaa mashiinka Windows oo leh 1 GB oo RAM ah^(RAM) iyo bilawga degdega ah ee naafo ah. Hadda oo aan fahamnay sida ay taasi u shaqeyso, aan u dhaadhacno kan cusub: swapfile.sys. Waa maxay dhibku waa kaas? Hagaag, asal ahaan waa sida faylka bogga, laakiin waxay u adeegtaa ujeedooyin kala duwan.

Mid ka mid ah sababaha ugu waaweyn ee swapfile.sys waa in la hakiyo oo dib loo bilaabo abka Store Store^{(Windows Store)} . Markaa maxaa diidaya oo kaliya inaad u isticmaasho faylka bogga si aad taas u sameyso? Waxaa loo isticmaalaa sababtoo ah noocyada hawlgallada bog-bixinta qaarkood ayaa loo samayn karaa si hufan iyadoo la adeegsanayo nooca gaarka ah ee faylka bogga.

Halkan waxaa ah sharraxaad cad oo dheeraad ah. Daaqadaha waxay taageertaa bog-goynta iyo is-dhaafsiga labadaba. Boggu waxa uu hayn doonaa shay aan la gaadhin wakhti dheer halka kala beddelashadu ay hayso alaab dhawaan laga saaray xusuusta. Walxaha ku jira faylka paging-ka waxa laga yaabaa in aan dib loo galin mar kale muddo dheer halka alaabta ku jirta swapfile laga yaabo in si dhakhso leh loo galo.

Sidoo kale, bogsiinta ayaa aad waxtar ugu leh mishiinnada dhamaadka-sare halka isweydarsigu aad ugu waxtar badan yahay kiniiniyada iyo PC-yada hoose. Fayl kastaa wuxuu leeyahay shuruudo kala duwan oo loogu talagalay koritaanka firfircoon, boos celinta, siyaasadaha akhriska/qorista, iwm. Haddii aad lahaan lahayd faylal isku mid ah, si dhakhso ah ayuu u kala qaybsanaan doonaa sababtoo ah boggaga cabbirka go'an ee loo isticmaalo paging iyo qaybo waaweyn loo isticmaalo isdhaafsiga.

Sida aad kor ka arki karto, swapfile.sys waa qiyaastii 16 MB. Ilaa hadda, waxa loo istcimaali jiray Bakhaarka Bakhaarka sababtoo ah baahiyahooda bogag ee kala duwan marka la barbar dhigo barnaamijyada caadiga ah ee ^(Windows)Windows^(Store) . Waxaa laga yaabaa in sidoo kale loo isticmaalo mustaqbalka, laakiin Microsoft ma aysan sheegin waxa saxda ah.

Markaa taasi waa waxa saddexdaas faylal ku sameeyaan nidaamka Windows 8/10 . Ogow in ay jiraan waxyaabo xiiso leh oo laga xumaado oo dhici kara. Haddii aad haysato 16 GB oo RAM ah^(RAM) oo aad ku isticmaaleyso bilawga degdega ah gudaha Windows , taasi waxay la macno tahay inaad sidoo kale haysato 16 GB oo fayl hibernation ah! Haddii aad ku shaqaynayso Windows - ga SSD , taasi waxay qaadanaysaa qayb wayn oo ka mid ah booska diskkaaga.

Waxaad hoos u dhigi kartaa xajmiga faylka hibernation (hiberfil.sys) ee Windows   adiga oo aan curyaamin hibernation adiga oo isticmaalaya amarka soo socda:

powercfg.exe /hibernate /size 50

Tani waxay hoos u dhigi doontaa cabbirka faylka hibernation ilaa 50% RAM halkii 100%. Ogow inaadan hoos u dhigi karin wax ka badan 50%. Si kastaba ha noqotee, haddii aad haysato qadar badan oo RAM ah^(RAM) sida 16GB ama 32GB ama ka badan, waxaad badbaadin kartaa naftaada xoogaa boos ah.

Midda kale waa inaadan u baahnayn inaad ka walwasho feylka hibernation inuu noqdo mid aad u weyn sida noocyadii hore ee Windows . Horey faylka hibernation wuxuu kaydiyay kernel-ka, wadayaasha aaladaha iyo dhammaan xogta codsiga. Hadda oo aysan jirin xog codsi ah, cabbirka feylku wuxuu ahaanayaa mid joogto ah, sidaa darteed haddii aad leedahay RAM badan , waxay u badan tahay inaadan u baahnayn faylka hibernation kaas oo si kastaba ha ahaatee.

Waxaan rajeyneynaa^(Hopefully) , taasi waxay ku siineysaa faham cad oo ku saabsan sida faylasha pagefile.sys, hiberfil.sys iyo swapfile.sys ay ugu shaqeeyaan Windows 8/10. Haddii aad wax su'aalo ah qabtid, xor ayaad u tahay inaad faallo ka bixiso. Ku raaxayso!

HDG Explains – Swapfile.sys, Hiberfil.sys and Pagefile.sys in Windows

In previous versіons of Windows, you probably remember the good old paging file. It is used when physіcal memory becomes over-committed and it holds objects that usually have not been accessed іn a long timе. That is pagefile.sys. Next, we had the hibernate option in Windows that let you save the kernel and all applications to your hard drive so that you could start your computer back up faster than doing a full reboot. That is hiberfile.sys.

In Windows 8/10, things get more complicated. The pagefile.sys is there all the time, but the hiberfil.sys is only there if you have fast startup enabled in Windows. What is fast startup? It basically allows Windows to perform a hybrid shutdown. This is why Windows 8/10 boots up so much faster than previous versions of Windows. Check out my previous post that explains what a hybrid shutdown is in Windows 8.

In order to use the new hybrid shutdown feature, which is turned on by default, hibernation has to be enabled in Windows. If hibernation is disabled, you won’t have a hiberfil.sys file and you won’t be able to use the fast startup option either. You can read my post here about enabling hibernation in Windows.

Now the interesting thing is that when you have fast startup enabled (meaning hibernation is enabled), then your hiberfil.sys will be about 75% of your RAM and the paging file will be around 25%. This is because the hiberfil.sys contains the Windows kernel and device drivers. The paging file is only used if all RAM is exhausted only our system and is used while you’re actually running Windows. The hiberfil.sys is only used for the boot process.

If you don’t have hibernation enabled in Windows, you’ll see that the paging file is now the same size as the amount of RAM you have.

In the above screenshot, I have a Windows machine with 1 GB of RAM and fast startup disabled. Now that we understand how that works, let’s get down to the new one: swapfile.sys. What the heck is that? Well, it’s basically like the paging file, but serves different purposes.

One of the main reasons for the swapfile.sys is to suspend and resume Windows Store apps. So why not just use the paging file instead to do that? It’s used because certain types of paging operations can be done more efficiently using this special type of pagefile.

Here’s a more clear explanation. Windows supports both paging and swapping. Paging will hold items that haven’t been accessed in a long time whereas swapping holds items that were recently taken out of memory. The items in pagingfile may not be accessed again for a long time whereas the items in swapfile might be accessed much sooner.

Also, paging is very effective on high-end machines whereas swapping is more effective on low-end tablets and PCs. Each paging file has different requirements for dynamic growth, space reservation, read/write policies, etc. If you were to have the same paging file, it would become fragmented very quickly because of the fixed-size pages used in paging and the big chunks used in swapping.

As you can see from above, the swapfile.sys is about 16 MB in size. As of now, it’s used for Store apps because of their different paging needs as compared to traditional Windows programs. There may be other uses too for it in the future, but Microsoft has not specified what exactly.

So that’s what those three files do on a Windows 8/10 system. Note that there are some interesting and annoying things that can happen. If you have 16 GB of RAM and are using fast startup in Windows, that means you’re going to have a 16 GB hibernation file too! If you’re running Windows on an SSD, that may be taking up a large portion of your disk space.

You can reduce the size of the hibernation file (hiberfil.sys) in Windows  without disabling hibernation by using the following command:

powercfg.exe /hibernate /size 50

This will reduce the size of the hibernation file to 50% of RAM rather than 100%. Note that you cannot lower it any more than 50%. However, if you have a large amount of RAM like 16GB or 32GB or more, you can save yourself quite a bit of space.

The other thing is that you don’t need to worry about the hibernation file becoming too large like in previous versions of Windows. Earlier the hibernation file stored the kernel, device drivers and all application data. Now that there is no application data, the size of the file stays pretty constant, so if you have a lot of RAM, you probably don’t need a hibernation file that is so large anyway.

Hopefully, that gives you a clearer understanding of how the pagefile.sys, hiberfil.sys and swapfile.sys files work on Windows 8/10. If you have any questions, feel free to post a comment. Enjoy!

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