Puas yog Tmpfs yog RAM?
Puas yog Tmpfs yog RAM?

Video: Puas yog Tmpfs yog RAM?

Video: Puas yog Tmpfs yog RAM?
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Anonim

tmpfs ua . tmpfs ua yog ib qho tsis ntev los no RAM cov ntaub ntawv kaw lus uas kov yeej ntau qhov tsis zoo nrog ramfs. Koj tuaj yeem qhia qhov txwv qhov loj hauv tmpfs ua uas yuav muab qhov yuam kev 'diskfull' thaum txog qhov txwv. Qhov loj thiab siv npaum li cas ntawm qhov chaw ntawm a tmpfs ua muab faib kuj tso tawm indf.

Ib yam li ntawd, nws tau nug, puas Tmpfs siv RAM?

Txhua yam khaws cia hauv tmpfs ua yog ib ntus nyob rau hauv lub ntsiab lus uas tsis muaj cov ntaub ntawv yuav raug tsim ncaj qha rau ntawm tsis-volatilestorage xws li ib tug hard drive (txawm hais tias swap qhov chaw yog siv asbacking khw nyob rau hauv cov ntaub ntawv ntawm tsawg. nco xwm txheej). Thaum reboot, txhua yam hauv tmpfs ua yuav ploj.

Qhov thib ob, RAM disk Linux yog dab tsi? RAM disk tseem hu ua RAM tsav. Nws yog ib feem ntawm koj RAM uas yog formated nrog cov ntaub ntawv system. Koj tuaj yeem mount nws mus rau ib daim ntawv teev npe ntawm koj Linux system thiab siv raws li ib tug disk muab faib.

Ua kom pom qhov no, Tmpfs hauv Linux yog dab tsi?

tmpfs ua yog cov ntaub ntawv kaw lus uas khaws tag nrho cov ntaub ntawv hauv lub cim xeeb virtual. tmpfs ua tsis tsim cov ntaub ntawv ntawm koj lub hard drive. tmpfs ua Nws muaj peev xwm loj hlob lossis txo nws qhov chaw kom haum rau cov ntaub ntawv, thiab nws tuaj yeem siv qhov chaw sib pauv los khaws cov ntaub ntawv tsis xav tau.ramfs thiab RAM disk tsis muaj peev xwm no.

Rootfs yog dab tsi?

Cov ntaub ntawv hauv paus system (npe rootfs ua hauv peb cov lus sampleerror) yog qhov tseem ceeb tshaj plaws ntawm Linux. Lub hauv paus filesystem muaj txhua yam xav tau los txhawb nqa tag nrho Linux system. It muaj tag nrho cov ntawv thov, teeb tsa, khoom siv, cov ntaub ntawv, thiab ntau dua. Yog tsis muaj cov ntaub ntawv hauv paus, koj lub Linux system tsis tuaj yeem khiav.

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