
sisttam abhyarthana

sisttam abhyarthana (sysrq allengil sysreq) ennathu pezhsanal computer keyboardukalile oru keeyaanu, athu saadhaarana upayogamilla. pisi/eiii. tii. yill aii. bii. emm avatharippicha ithu nilavilulla eathenkilum softweyarumaayi vairudhyam undakanulla saadhyathayillaathe thaazhnna thalatthilulla operating sisttam pravartthanangal nerittu abhyarthikkunnathinulla oru prathyeka qee aayi labhyamakkaan uddeshichullathaanu. oru prathyeka bios dinacharya-software interapt 0x15, subfungsion 0x85-sysrq thallukayo release cheiyukayo cheyyumbol oesu signal cheyyaan chertthu. mikka keekalilum ninnu vyathyasthamayi, athu amarthumbol keyboard bufferil onnum sambharikkilla.
charithram.
sysrq keeykkaayi uddeshichittulla nirddishta thaazhnna thalatthilulla pravartthanam operating systengalkkidayil maaruka ennathaayirunnu. 1980ll yadhaartha aii. bii. emm-pisi srishtichappol, moonnu pramukha malsaraadhishtitha operating sisttangal undaayirunnu pisi doses, sipi/emm-86, ucsd pii-sisttam, senix 1983-1984 ll cherthappol. pisi/ettile 286 chippinte kazhivukal upayogichu ore computeril onniladhikam operating sisttangal pravarthippikkaan kazhiyunna tharatthil csrke qee chertthu.
oru prathyeka qee aavashyamaayirunnu, kaaranam annathe mikka softweyarukalum thaazhnna thalatthil pravartthikkukayum palappozhum oesu poornnamaayum marikadakkukayum saadhaaranayaayi niravadhi hoott qee kombineshanukal upayogikkukayum cheythirunnu. terminate aandu stey residant (tsr) prograamukalude upayogam karyangal kooduthal sankeernamaakkunnu. oru task switching allengil multitasking envayonment nadappilaakkunnathinu, oru prathyeka, prathyeka qee aavasyamaanennu karuthappettu. ithu windos entic keezhil "kantrol-alt-delete" upayogikkunna reethikk samaanamaan.
84-qee keyboardukalil (84-qee ibm model emm space saver keyboard ozhike), sysrq athintethaaya oru qee aayirunnu. pilkkala 101-keyboardil, ithu print screen qee functionumaayi oru physical qee pankidunnu. sysrq vilikkaan eee duval function qee amarthumbol alt qee amarthippidikkanam. aadhunika computer keybordukaliloode ithu thudarunnu.
sthirasthithi bios keyboard dinacharyakal sysrq avaganikkukayum nadapadiyedukkaathe madangukayum cheiyunnu. ems-doses inputt dinacharyakalum angane thanne cheythu. niravadhi unnathala bhashakal nalkunna librarikalile keyboard dinacharyakal pinthudarnnu. nirmmicha mikka computer keyboardukalilum ithu ippozhum ulppeduthiyittundile, chila debugging softweyarukal ithu upayogikkunnundengil, bhooribhaagam upayokthakkalkkum eee qee prayojanappedunnilla.
hyundayi/hynix suuppar-16 computeril amarthunnathiloode sisttam haard boot cheyyum (prathikarikkaathappol ithu reboot cheyyum, koodaathe sophtt-bootil marikadakkunna staarttap memory testtukal ithu vilikkum).
aadhunika upayogangal.
linuxil, sisttam debuggingin crash recoveric vendi pravartthanangal nalkunnathinu kernel krameekarikkaan kazhiyum. eee upayogam "majik sysrq qee" ennariyappedunnu.
vividha oesu-, aaplikkeshan-level debuggerukalkkaayi microsopht sysrq upayogichittundu. coode view debuggeril, prograam execution samayat debugginglake kadakkaan ithu chilappol upayogichirunnu. windos enty remot kernel debuggerinu, systethe debuggerilekku nirbandhikkaan ithu upayogikkaam.
aadhunika vindokalil "alt + print screen" (mikka aadhunika keyboardukalilum sysrq-nulla kurukkuvazhiyaanu ithu) print screenil maathram ullathupole muzhuvan screen pakaram nilavile sajeeva vindoyude oru chithram pakartthunnu.
samanamaaya thacolukal.
1970ll srishticha ibm sisttam/370 mainframe computerinte ibm 3270-tharam kansol keyboardukalil, operating systethinu inputt nalkaan kansoline anuvadikkunnathinu vm/370 allengil mvs polulla operating systethinu kaaranamaakunnathin upayogicha oru oopparettar interapt qee undaayirunnu.

