| Q. | Wanne daga cikin waɗannan fasalulluka na UNIX za a iya amfani da su don sadarwa tsakanin tsarin? |
|---|---|
| B. | bututu |
| C. | jirgin ruwa |
| D. | duk wadannan |
| Amsa» d. duk wadannan | |
Menene sadarwa tsakanin tsari a cikin UNIX?
Sadarwar hanyar sadarwa ita ce tsarin da tsarin aiki ke bayarwa wanda ke ba da damar tafiyar matakai don sadarwa da juna. Wannan sadarwar na iya ƙunsar tsari don barin wani tsari ya san cewa wani lamari ya faru ko canja wurin bayanai daga wannan tsari zuwa wani.
Menene misalan kira masu alaƙa da tsari a cikin UNIX?
Sadarwar tsakanin-tsari a cikin Linux: Rarraba ajiya
- Fayilolin da aka raba.
- Ƙwaƙwalwar ajiya (tare da semaphores)
- Bututu (mai suna da wanda ba a ambata ba)
- Layin saƙo.
- Sockets.
- Sigina.
Wanne daga cikin waɗannan fasalulluka na UNIX za a iya amfani da su?
Tsarin aiki na UNIX yana goyan bayan fasali da iyawa masu zuwa: Multitasking da multiuser. Shirye-shiryen shirye-shirye. Amfani da fayiloli azaman abstraction na na'urori da sauran abubuwa.
Wanne ya fi sauri IPC?
Ƙwaƙwalwar ajiya shine mafi saurin hanyar sadarwa ta hanyar sadarwa. Babban fa'idar ƙwaƙwalwar ajiya shine cewa an kawar da kwafin bayanan saƙo.
Ta yaya kuke sadarwa tsakanin matakai?
Ana iya samun hanyar sadarwa ta hanyoyi biyu tsakanin matakai ta amfani da su bututu biyu a gaban “hanyoyi”. Bututun da ake bi da shi kamar fayil. Maimakon yin amfani da daidaitaccen shigarwa da fitarwa kamar tare da bututun da ba a san shi ba, matakai suna rubutawa da karantawa daga bututu mai suna, kamar dai fayil ne na yau da kullun.
Menene dabarun IPC 3?
Tsarin Buddy – Dabarar rarraba ƙwaƙwalwar ajiya. Kafaffen (ko a tsaye) Rarrabewa a cikin Tsarin Aiki. Rarraba (ko mai ƙarfi) Rarraba a cikin Tsarin Ayyuka.
Me yasa ake amfani da Semaphore a OS?
Semaphore kawai mai canzawa ne wanda ba shi da kyau kuma ana rabawa tsakanin zaren. Ana amfani da wannan canji don warware matsalar sashe mai mahimmanci kuma don cimma aikin aiki tare a cikin mahallin sarrafawa da yawa. Wannan kuma ana kiransa da makullin mutex. Yana iya samun ƙima biyu kawai - 0 da 1.
Menene bututu a cikin IPC?
A cikin shirye-shiryen kwamfuta, musamman a cikin tsarin aiki na UNIX, bututu ne dabarar isar da bayanai daga tsarin shirin zuwa wani. Ba kamar sauran hanyoyin sadarwa na interprocess (IPC), bututu hanyar sadarwa ce ta hanya ɗaya kawai.
Shin matakai biyu za su iya raba ƙwaƙwalwar ajiya?
Haka ne, matakai biyu na iya haɗawa zuwa ɓangaren ƙwaƙwalwar ajiya da aka raba. Sashin ƙwaƙwalwar ajiyar da aka raba ba zai yi amfani da yawa ba idan hakan ba gaskiya ba ne, saboda wannan shine ainihin ra'ayin da ke bayan ɓangaren ƙwaƙwalwar ajiyar da aka raba - shi ya sa yana ɗaya daga cikin nau'ikan IPC da yawa (sadarwar tsakanin-tsari).
A ina aka adana mawaƙin da aka raba a cikin Linux?
Samun dama ga abubuwan ƙwaƙwalwar ajiya da aka raba ta tsarin fayil A Linux, an ƙirƙiri abubuwan ƙwaƙwalwar ajiya a ciki a (tmpfs(5)) tsarin fayil na kama-da-wane, yawanci ana hawa a ƙarƙashin /dev/shm. Tun da kernel 2.6. 19, Linux yana goyan bayan amfani da jerin abubuwan sarrafawa (ACLs) don sarrafa izinin abubuwa a cikin tsarin fayil ɗin kama-da-wane.