
bahu-paryavaran vastavik-vel

multy-environment real-time (emm. aar. tii.), nantar unix real-time (unix-aar. tii.) asey punarnamkaran karnyat aale, hii eka sankarit vel-samayikaran aanee real-time operating system aahe jee 1970 chya dashakat bail labmadhye embedded minicomputermadhye (visheshtah pii. dii. pii.-11) vaparnyasathi vikasit kelee gelee. duplexes multy environment real time (dii. emm. aar. tii.) navachi aavrutti hii aii. tii. andd. tii. 3bii20dii telephone switching miinii computersathichi karyapranali hotee, jee uchch upalabdhatesathi tayar kelee gelee hotee; dii. emm. aar. tii. nantar tyache naav unix aar. tii. aar. (real-time vishvasarh) asey badalanyat aale.
bail labchya unixchya vel-samayikaran karyapranaliche "samanyikaran",
mertmadhye eka punha design kelele, modular curnell hote jeey unix program aanee visheshikrut real-time sanganakeey prakriya chalavanyas saksham hote. jaree samayik smrutee dekhil lagoo kelee gelee asali taree, sandesh pathvane haah aantarprakriya sampreshanacha (aay. pii. see.) pasantiche roop asalyane yaa prakriyanchya deta sanrachananna itar prakriyanpasun vegale karnyat aale hote. vastavik-velechya databases anuprayoganmadhye vaparlya jaananya mothya, sanlagn, sthir aakarachya fayalisathi vishesh aadhar asaleli eka sanukool file pranali dekhil mertkade hotee. mertchya rachnevar dijakstrachya daad, hansonchya monetercha aanee ibmchya cp-67 chaa prabhav hota.
sanrakshanachya qamee hott jaananya kramane, mert karyapranali hii chaar-staranchi rachana hotih
manak paryavekshak haah meert/unix hota, joou vistarit pranali coll interfaces aanee shels eka unix emulator hota, jyane mertchya sanukool aay. pii. see. yantranecha vapar saksham keela, jaree aar. ess. ex.-11 emulator dekhil astitvat hota.
curnell aanee naun-curnell prakriya.
dii. emm. aar. tii.-unix-aar. tii. aar. neey sadar kelele eka manoranjak vaishishtya mhanje 'curnell' prakriyanchi kalpana. heey tyachya sookshm karnelish sthapatyakalechya mulanshi jodalele aahe. samarthan mhanoon, (cocksey _ 2) aivaji eka swatantra aadesh (cocksey _ 1) aahe, joou curnell prakriyes sanket pathvanyasathi vaparla jaato. done bhinn pranali coll dekhil asanyachi shakyata aahe (cocksey _ 3 aanee cocksey _ 4, pratham vaparkarta prakriya sampavanare aanee dusare curnell prakriya sampavanare). cockoge _ 1 madhye samanya userland "signalling" yantrana kitee aahe heey adnyat aahe, tyasathi eka pranali coll aahe asey gruheet dharoon, ekhadi vyakti vividh sanket pathvu shakate qee fakt eka pathvu shakate heey mahit nahee. curnell prakriyet vitarit kelele sanket pakadanyacha marg aahe qee nahee heey dekhil adnyat aahe. asey asoo shakate qee unix-aar. tii. aar. vikaskanni curnell prakriyesathi sampoorn signal aanee messaging application programming interfaces (aii. pii. aay.) lagoo keela.
file pranaliche bits.
jarr aekhadyache mool unix-aar. tii. aar. pranalivar asel, tarr tyanna lavkarach nishchitpane aadhalel qee tyanche cocois _ 6 output apekshepeksha thode vegale aahe. mhanje, cockoge _ 7 kshetrat done purnapane naveen bits aahet. teey donhi pahilya stambhat hotat aanee cocksey _ 8 (sanlagn) aanee cocksey _ 9 (vistar) aahet. yaa donhicha sambandh sanlagn mahitishi aahe, tathapi eka ionodeshy aanee dusra naun-metadetashi sambandhit asoo shakato.
udaharan cock _ 6:
 dii. aar. doubleu. ex. aar.-ex. aar.-ex. mool 64 sunn december 4,2003/see. eff. tii.
 xrwxr-xr-x mool 64 moone december 11 2013/kramank 5 majkoor
 see. aar. doubleu. ex. aar.-ex. aar.-ex. mool 256 mangalvar 12 december 2014/kramank 5daata
lucent emulator aanee vhee. see. dii. ex.
aii. tii. andd. tii., nantar lucent aanee aata alcatel-lucent, heey spark-aadharit aanee solaris-ome package aii. tii. 3beema (jeey/opt/aii. tii. 3bemmadhye solaris sparkvar rahate) chey vikrete aahet. heey eka purn 3b21d emulator aahe (3b21e mhanoon olakhale jaanare, atishay sankshipt digital exchange kinwa vcdx mage asaleli pranali) jeey 5ess swichchya prashasakeey module (am) bhagala utpadan vatavaran pradan karnyasathi aahe. 5ess chey asey kahee bhag aahet jeey 3b21d micro computercha bhag naheet-ess. emm. ess. aanee see. emm. ess. emulatorkhalil workstationla 'aii. doubleu.' (prashasakeey workstation) asey sambodhale jaate. emulator solaris 2.6/sparc neey sthapit karato aanee solstice x25 9.1 (sunvocon) saha dekhil yeto, jyala purvi sunlink x25 mhanoon olakhale jayache. 3bii21dii emulators x25 stack pack karnyache kaaran mhanje bail system, pradeshik bail operating kampanya aanee ilex ajunahi tyanchya sarvat gambhir pranalinsathi x25 network vapartat (telephone switch x25 kinwa detakit vhee. see. II varr rahoo shakatat, jeey bail labmadhye vikasit kelele samaan network aahe, parantu tyanchyakade tii. see. pii./aay. pii. stack naheet).
jaree ekhadyala odhalelya 5-ess haard disk 'dii. dii.' output filemadhun pratima midvanyat yash aale asale taree, aii. tii. tii./alcatel-lucent emulator haah yogyaritya kaam karnyasathi sopa program nahee. 
pratham, installation prakriyet vaparkartyane barech bugg navigate karane aavashyak aahe. ekada heey jhaale qee, eka sanrachana file asate jee parighanna anukaran kelelya parighanshi jodate. parantu yache varnan karnare dastaivaj see. dii. varr farach qamee aahet. yaa fileche naav ess. ess. 5ess. sathee emm. devemap aanee emm. devemap aahe.ultra 60 sathee ultra.
yavyatirikt, pratishthapan prakriyet namood kelelya bagpaiki eka mhanje haard diskchi eff. dii. disk aanee pratima yogyaritya kadhanyasathichi tutaleli script kahee goshti vishisht offsetvar lihavya lagatat, kaaran/opt/ett3beema/biin/3beema prakriyes yaa haard-coded sthananchi apeksha asate kinwa tyanchi aavashyakta asalyache disate.
emulator sparkstation-5 aanee ultraspark-60 varr chalate. 3b21d micro computerchya prosesarpeksha 3b21d heey aadhunik sparkvar adhik vegane anukaran kele jaanyachi shakyata aahe, jeey pratyakshat mayapsmadhye mojalyapramane chalate. pratyakshat chalvanyasathi dii. emm. aar. tii./unix-aar. tii. aar. etch. dii. dii. pratima midvane hii emulator asanyavishayichi sarvat katheen gosht aahe. 5issasathichi karyapranali vikretyachya kahee lokanparyant, karmchanyanparyant aanee grahakanparyant maryadit aahe, jeey ektar tyavar kaam karatat kinwa tyasathi code lihitat. chaloo pranalichi pratima asane, jee ibevar midavata yete, karyarat 3bii21demadhun kadhali jaate aanee filemadhye chitrit kelee jaate kinwa ultra60 kinwa sparkstation-5 madhye thewali jaate, unix-rtr pranali chalavanyacha prayatna karnyasathi sansadhane pradan karate.
unix-aar. tii. aar. (real-time vishvasarh) chalana borne shelche eka output mhanjeh
 #aname-aaa
 <3b21d> <3b21d>
jaree 3bii20dii pranalinvar teey 21 aivaji 20 chhapel, jaree 3bii20dii durmil asale, taree aajkal bahutek bigger-vcdx 5es 3bii21dii hardware aahet, 3bii20dii nahee (jaree teey software changle chalvatil).
3b20d madhye We32000 processor vaparla jaato tarr 21 madhye We32100 vaparla jaato. itar kahee farak dekhil asoo shakatat. prosesarbaddal eka asamanya gosht mhanje stack vadhanyachya disheneh varr.
feloksathiche hastalikhit prushth (jeey sanlagn kinwa vistrut file jaaga vatpasathi jababdar asoo shakate):
unix-aar. tii. aar. madhye anoo file swap kamand samavisht aahe (attamswa, khalee hastalikhit prushth):