755 isho ukuthi funda futhi wenze ukufinyelela kwawo wonke umuntu futhi iphinde ibhale ukufinyelela komnikazi wefayela. Uma wenza umyalo wegama lefayela we-chmod 755 uvumela wonke umuntu ukuthi afunde futhi asebenzise ifayela, umnikazi uvunyelwe ukubhalela nefayela.
Zibukeka kanjani izimvume ezingama-755?
Ezinye izibonelo zemvume yefayela: 777 – bonke bangafunda/babhale/basebenzise (ukufinyelela okugcwele). 755 - umnikazi angafunda/abhale/akhiphe, iqembu/abanye bangakwazi ukufunda/akhiphe. 644 – umnikazi angakwazi ukufunda/ukubhala, iqembu/abanye bangafunda kuphela.
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Ukuqonda Izimvume Zefayela.
| 0 | - - - | akukho ukufinyelela |
|---|---|---|
| 6 | rw - | Funda bese ubhala |
| 7 | rwx | funda, bhala futhi usebenzise (ukufinyelela okugcwele) |
Ingabe imvume engu-755 iphephile?
Ukuba namafayela anezimvume ezingu-755 akulona usongo lwezokuphepha eziphakelini zethu ngoba umkhombandlela ngamunye we-public_html usethwe ngezimvume ezingu-750 futhi umsebenzisi wakho kuphela ongakwazi ukuzifunda. Ngakho, kungakhathaliseki izimvume zamafayela akho, abanye abasebenzisi abakwazi ukufunda / ukwenza / ukubhala kuwo.
Ngiyinikeza kanjani imvume ku-755 ku-Unix?
$ chmod 755 hello.sh // Isetha yonke imvume kubanikazi futhi ifunde/ikhiphe imvume yeqembu nabanye $ chmod 0755 hello.sh // Kuyafana nokuthi 755 $ chmod -R 644 test_directory // Isetha ngokuphindaphindiwe imvume yokufunda nokubhala kumnikazi, funda imvume eqenjini nokunye kwe-test_directory kanye nawo wonke amafayela nemibhalo engaphansi…
Yiziphi izimvume zefayela le-Unix?
Lonke ifayela (nohla lwemibhalo) lunomnikazi, iqembu le-Unix elihlotshaniswayo, kanye nesethi yamafulegi emvume acacisa izimvume ezihlukene zokufunda, ukubhala, nokusayinda “zomsebenzisi” (umnikazi), “iqembu”, kanye “nomunye”. Izimvume zeqembu zisebenza kubo bonke abasebenzisi abangamalungu eqembu elihlotshaniswa nefayela. ”
Isho ukuthini i-chmod 777?
Uma uphatha uhlelo lwe-Linux, kubalulekile ukwazi ukuthi izimvume ze-Linux zisebenza kanjani. Akufanele neze usethe 777 ( rwxrwxrwx ) amafayela ezimvume nezimvume zemibhalo. 777 kusho ukuthi noma ubani angenza noma yini ngalawo mafayela.
Yini i-Rwxrwxrwx?
Ngakho-ke i- -rwxrwxrwx engenhla ikhombisa ukuthi umsebenzisi, iqembu, nabanye bafunde, babhala futhi bakhipha izimvume zalelo fayela noma ngamanye amagama: umnikazi wefayela, noma ubani oseqenjini lefayela, futhi wonke umuntu ufunde, wabhala, futhi wenze. izimvume zalelo fayela).
Ngiyinikeza kanjani imvume yokufunda?
Ukuze uguqule izimvume zefayela neziqondisi, sebenzisa umyalo we-chmod (shintsha imodi). Umnikazi wefayela angashintsha izimvume zomsebenzisi ( u ), iqembu ( g ), noma abanye ( o ) ngokwengeza ( + ) noma ngokukhipha ( – ) ukufundwa, ukubhala, nokukhipha izimvume.
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Ifomu eliphelele.
| Imvume | Inombolo |
|---|---|
| Funda (r) | 4 |
| Bhala (w) | 2 |
| Yenza (x) | 1 |
Ngiyinikeza kanjani imvume ku-755 ku-Linux?
- Sebenzisa i-chmod -R 755 /opt/lampp/htdocs uma ufuna ukushintsha izimvume zawo wonke amafayela nezinkomba ngesikhathi esisodwa.
- Sebenzisa ukuthola /opt/lamp/htdocs -type d -exec chmod 755 {}; uma inani lamafayela owasebenzisayo likhulu kakhulu. …
- Sebenzisa i-chmod 755 $(thola /path/to/base/dir -type d) ngenye indlela.
- Kungcono ukusebenzisa eyokuqala kunoma yisiphi isimo.
18 isiqephu. 2010 g.
Isho ukuthini i-chmod 644?
Izimvume ze-644 zisho ukuthi umnikazi wefayela unokufinyelela kokufunda nokubhala, kuyilapho amalungu eqembu nabanye abasebenzisi ohlelweni banokufinyelela kokufunda kuphela.
Zingaki izinhlobo zezimvume ifayela elinazo ku-Unix?
Incazelo: Kuhlelo lwe-UNIX, ifayela lingaba nezinhlobo ezintathu zezimvume -funda, bhala futhi yenze. Imvume yokufunda isho ukuthi ifayela liyafundeka.
Iyini i-chmod - R -?
Insiza ye-chmod ikuvumela ukuthi uguqule noma yimaphi noma wonke amabhithi emodi yemvume yefayela kwefayela elilodwa noma amaningi. Kufayela ngalinye olishoyo, i-chmod ishintsha amabhithi emodi yemvume yefayela ngokuya ngomsebenzi wemodi.
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Izindlela ze-Octal.
| Inombolo ye-Octal | Okungokomfanekiso | Imvume |
|---|---|---|
| 4 | r- | Funda |
| 5 | i-rx | Funda/sebenzisa |
| 6 | rw - | Funda/bhala |
| 7 | rwx | Funda/bhala/wenza |
Uzifunda kanjani izimvume zefayela ku-Unix?
Umyalo we-ls (uhlamvu oluncane “l” (hhayi uhlamvu “i”) kanye nohlamvu oluncane oluthi “s”) ikuvumela ukuthi ubone uhlu lwawo wonke amafayela akho. Umyalo - l (i-hyphen, bese kuba uhlamvu "l"), uzokuvumela ukuthi ubone ifomethi ende lapho ungabona khona izimvume zefayela.
Zisebenza kanjani izimvume ze-UNIX?
Izimvume eziyisisekelo ze-UNIX ziza ngama-flavour amathathu; Izimvume Zomnikazi : Lawula ukufinyelela kwakho kumafayela. … Ezinye Izimvume : Lawula ukufinyelela kwabo bonke abanye. Ku-Unix, uma izimvume zilungiswa iseva ikuvumela ukuthi uchaze izimvume ezihlukene zalezi zigaba ezintathu zabasebenzisi.
Iyini inhloso yezimvume zefayela?
Amasistimu amaningi wamafayela anezindlela zokunikeza izimvume noma amalungelo okufinyelela kubasebenzisi abathile namaqembu abasebenzisi. Lezi zimvume zilawula ikhono labasebenzisi lokubuka, ukushintsha, ukuzulazula, nokusebenzisa okuqukethwe kwesistimu yefayela.
Iyini imvume ye-Suid Unix?
I-SUID iyimvume yefayela ekhethekile yamafayela asebenzisekayo eyenza abanye abasebenzisi basebenzise ifayela ngezimvume ezisebenzayo zomnikazi wefayela. Esikhundleni se-x evamile emele izimvume zokuqalisa, uzobona u-s (ukukhombisa i-SUID) imvume ekhethekile yomsebenzisi.