Koj nug: Yuav ua li cas koj rho tawm hauv Unix?

Hauv Unix-zoo li kev khiav hauj lwm systems, unlink yog ib qho kev hu xov tooj thiab cov kab lus txib kom tshem tawm cov ntaub ntawv. Qhov kev zov me nyuam cuam tshuam ncaj qha rau lub kaw lus hu, uas tshem tawm cov npe cov ntaub ntawv thiab (tab sis tsis yog ntawm GNU systems) cov npe xws li rm thiab rmdir.

Cov cim kev sib txuas tuaj yeem raug tshem tawm nrog ob lo lus txib: rm thiab unlink. Koj tuaj yeem siv ib qho ntawm cov lus txib hauv qab no kom tshem tawm cov cim txuas. rm: yog lub davhlau ya nyob twg hais kom tshem tawm txhua cov ntaub ntawv muab nrog rau cov cim txuas. Vim tias lub cim txuas yog suav tias yog cov ntaub ntawv ntawm Linux, koj tuaj yeem tshem nws nrog rm hais kom ua.

unlink yog ib qho kev siv kab hais kom tshem tawm ib cov ntaub ntawv. Lub syntax ntawm unlink command yog raws li nram no: unlink filename. Qhov twg filename yog lub npe ntawm cov ntaub ntawv koj xav tshem tawm. Ntawm kev ua tiav, cov lus txib tsis tsim tawm thiab xa rov qab xoom.

Cov lus txib unlink yog siv los tshem tawm ib cov ntaub ntawv thiab yuav tsis lees txais ntau qhov kev sib cav. Nws tsis muaj kev xaiv dua li -pab thiab -version . Cov syntax yog yooj yim, hais kom ua thiab dhau ib lub npe filename raws li kev sib cav kom tshem tawm cov ntaub ntawv ntawd. Yog tias peb dhau daim npav rho tawm kom tsis txhob txuas, koj yuav tau txais qhov yuam kev ntxiv.

Txhawm rau tshem tawm cov cim txuas, siv rm lossis unlink hais kom ua raws li lub npe ntawm symlink raws li kev sib cav. Thaum tshem tawm cov cim txuas uas taw qhia rau hauv phau ntawv qhia tsis ntxiv ib qho kev sib tw rau lub npe symlink.

Lub unlink muaj nuj nqi deletes cov ntaub ntawv npe filename . Yog hais tias qhov no yog ib lub npe ntawm cov ntaub ntawv, cov ntaub ntawv nws tus kheej kuj yuav deleted. (Qhov tseeb, yog tias ib qho txheej txheem muaj cov ntaub ntawv qhib thaum qhov no tshwm sim, kev tshem tawm raug ncua kom txog thaum tag nrho cov txheej txheem tau kaw cov ntaub ntawv.) Cov haujlwm unlink tau tshaj tawm hauv header file unistd.

Txhawm rau tsim cov cim txuas yog Linux siv cov lus txib ln nrog rau qhov kev xaiv -s. Yog xav paub ntxiv txog cov lus txib ln, mus saib nplooj ntawv ln txiv neej lossis ntaus tus txiv neej ln hauv koj lub davhlau ya nyob twg. Yog tias koj muaj lus nug lossis lus tawm tswv yim, thov koj xav tawm tswv yim.

transitive verb. : to unfasten the links of : cais, disconnect. intransitive verb. : ua detached.

Re: Yuav ua li cas tshem tawm cov cim txuas yam tsis tau rho tawm cov ntaub ntawv orginal. Ob lo lus teb yog lawm. Tsuas yog ua "rm link_naame" thiab symlink yuav raug tshem tawm. Yog tias koj xaus nrog qhov txuas tawg, ces koj tshem tawm cov ntaub ntawv ntau dua li qhov txuas nws tus kheej.

Unlink koj qhov chaw nyob

  1. Hauv koj lub xov tooj lossis ntsiav tshuaj Android, qhib Gmail app.
  2. Nyob rau sab laug sab saum toj, coj mus rhaub cov ntawv qhia zaub mov.
  3. Scroll down, ces coj mus rhaub Settings.
  4. Coj mus rhaub Gmail account koj xav rho tawm los ntawm koj lwm tus account.
  5. Hauv seem "Txuas Account", coj mus rhaub Unlinked account.
  6. Xaiv seb yuav khaws cov ntawv luam ntawm email los ntawm tus account.

Ib lub cim txuas, tseem hu ua qhov txuas muag, yog ib hom ntawv tshwj xeeb uas taw qhia rau lwm cov ntaub ntawv, zoo li luv luv hauv Windows lossis Macintosh alias. Tsis zoo li qhov sib txuas nyuaj, ib qho kev sib txuas lus tsis muaj cov ntaub ntawv hauv lub hom phiaj cov ntaub ntawv. Nws tsuas yog taw qhia rau lwm qhov nkag qhov chaw hauv cov ntaub ntawv kaw lus.

Txhawm rau saib cov cim txuas hauv ib phau ntawv qhia:

  1. Qhib lub davhlau ya nyob twg thiab txav mus rau qhov chaw ntawd.
  2. Ntaus cov lus txib: ls -la. Qhov no yuav ntev sau tag nrho cov ntaub ntawv nyob rau hauv phau ntawv qhia txawm tias lawv muab zais.
  3. Cov ntaub ntawv uas pib nrog l yog koj cov cim txuas cov ntaub ntawv.

Kev siv ln hais kom ua hauv Linux yog dab tsi?

Cov lus txib ln yog tus qauv Unix hais kom siv siv los tsim qhov txuas nyuaj lossis ib qho kev sib txuas (symlink) rau cov ntaub ntawv lossis cov npe uas twb muaj lawm. Kev siv ib qho nyuaj txuas tso cai rau ntau lub npe cov ntaub ntawv los cuam tshuam nrog tib cov ntaub ntawv txij li qhov nyuaj txuas cov ntsiab lus mus rau inode ntawm cov ntaub ntawv muab, cov ntaub ntawv uas tau khaws cia rau hauv disk.

Txhawm rau ua kom sib txuas ntawm cov ntaub ntawv koj yuav tsum siv ln hais kom ua. Ib lub cim txuas (tseem hu ua qhov txuas muag muag lossis symlink) muaj cov ntaub ntawv tshwj xeeb uas yog siv rau lwm cov ntaub ntawv lossis cov npe. Unix/Linux zoo li operating systems feem ntau siv cov cim txuas.

Yuav ua li cas los tsim ib lub cim txuas. Txhawm rau tsim cov cim txuas dhau qhov kev xaiv -s mus rau ln hais kom ua raws li lub hom phiaj cov ntaub ntawv thiab lub npe ntawm qhov txuas. Hauv qhov piv txwv hauv qab no ib cov ntaub ntawv yog symlinked rau hauv daim nplaub tshev. Hauv qhov piv txwv hauv qab no, mounted sab nraud tsav yog symlinked rau hauv cov npe hauv tsev.

Zoo li cov ncej no? Thov qhia rau koj cov phooj ywg:
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