
vivechanaadhikaaramulla praveshana niyanthranam

computer surakshayil, vishayangaludeyum/allengil grouppukaludeyum aidantittiyude adisthaanathil vasthukkalilekkulla praveshanam niyanthrikkunnathinulla oru maargamaayi vishwasaneeyamaaya computer sisttam moolyanirnnaya maanadandam (tii. sii. ezz. iii. sii) nirvachichirikkunna oru tharam axus niyanthranamaan vivechanaadhikaara axus kantrol (dii. eiii. sii). oru nischitha praveshana anumathiyulla oru vishayathin aaa anumathi (orupakshe parokshamaayi) mattethenkilum vishayathilekku kaimaran kazhiyum (nirbandhitha praveshana niyanthranam niyanthrikkunnillengil) enna ardhathil niyanthranangal vivechanaadhikaaramullathaanu.
nirbandhitha axus kantrolil (mack) ninnu vyathyasthamayi vivechanaadhikaaramulla axus niyanthranam saadhaaranayaayi charcha cheyyappedunnu. idaykkide, oru systethinu nirbandhitha axus niyanthranam illaathappol mothatthil "vivechanaadhikaaramulla" allengil "poornnamaayum vivechanaadhikaaramulla" axus niyanthranam undennu parayappedunnu. maruvashathu, systengalkku oresamayam mack, daaku enniva nadappilakkaan kazhiyum, avide daaku ennathu vishayangalkk parasparam kaimaran kazhiyunna oru vibhaagam axus niyanthranangale soochippikkunnu, koodaathe mack aadyathethinu niyanthranangal earppeduthunna randaamathe vibhaagam axus niyanthranangale soochippikkunnu.
nadappaakkal.
praayogikamaayi eee padatthinte ardham tii. sii. ezz. iii. sii. staanderdil nalkiyirikkunna nirvachanam pole vyakthamalla, kaaranam dii. eiii. sii. yude tii. sii. ezz. iii. sii nirvachanam nadappaakkal nirbandhikkunnilla. kuranjathu rund nadappaakkalukalenkilum undu udamayodoppam (oru vyapakamaaya udaaharanamaayi), kazhivukalode.
udamayodoppam.
oro vastuvinum object axus cheiyunnathinulla anumathikal niyanthrikkunna oru "udama" undennu anumaanikkunna sandarbhangalil daaku enna padam saadhaaranayaayi upayogikkunnu, orupakshe pala sisttangalum oru udama enna ashayam upayogichu daaku nadappilaakkunnu ennathukondaakaam. ennaal tii. sii. ezz. iii. sii nirvachanam udamakalekkurichu onnum parayunnilla, athinaal saankethikamaayi oru axus kantrol systethinu dii. eiii. siyude tii. sii. ezz. iii. sii nirvachanam paalikkunnathin udamasthaavakaasham enna ashayam undayirikkanamennilla.
eee dac nadappakkalinu keezhil upayokthaakkalkk (udamakal) nayaparamaaya theerumaanangal edukkaanum koodaathe/allengil suraksha attributeukal nalkaanumulla kazhivundu. oro upayokthaavinum groupinum mattullavarkkum 3 bittukalil oronnum ezhuthaanum vaayikkanum execute cheyyaanum prathinidheekarikkunna unix phayal modaanu oru neraaya udaaharanam. (adhika savisheshathakale soochippikkunna mattoru bitt ithu munkootty thayyarakkunnu).
kazhivukal.
mattoru udaaharanamaayi, sheshi adisthaanamaakkiyulla suraksha adisthaanaparamaayi "vishayangalude identitye adisthaanamaakki" axus niyanthrikkunnathinekkum, mattu vishayangalilekku avarude axus kaimaran vishayangale anuvadikkunnathinaal sheshi samvidaanangale chilappol vivechanaadhikaara niyanthranangal nalkunnathaayi vivarikkunnu. pothuve, sheshi samvidaanangal "mattethenkilum vishayathilekku" anumathikal kaimaran anuvadikkunnilla; anumathikal nedaan aagrahikkunna vishayathin aadyam sweekarikkunna vishayathilekku praveshanam undaayirikkanam, koodaathe vishayangalkk saadhaaranayaayi kuranja padavi enna thathwavumaayi poruthappedunna karsanamaayi parimithamaaya vishayangalilekku maathrame praveshanam undaakoo.

