Za su sani OpenBSD, tsarin aiki na dangin BSD. Idan baku san shi ba, yana da tushen tushen tsarin Unix kuma ba ya dogara da kernel na Linux, a bayyane. Ya kasance daga zuriyar NetBSD, amma barin aiki a wuri na biyu don mai da hankali kan tsaro azaman ƙarfi. Da kyau, tare da sakin OpenBSD 6.2 zai zo da kwaya tare da fasali mai ban sha'awa sosai.
Ya zama cewa OpenBSD 6.2 zai ƙirƙiri kwaya ta musamman duk lokacin da mai amfani da tsarin ya sake ko sabunta tsarin. Wannan aikin ana kiransa KARL (Adireshin Kernel Randomized Link) kuma yana aiki ta hanyar sake jujjuya fayilolin kwaya na ciki a cikin tsari bazuwar don ya samar da wani nau'in binary na musamman kowane lokaci. Wannan sabo ne, tunda nau'ikan OpenBSD na yanzu suna amfani da wurin da aka ƙayyade, wanda ke haifar da haɗa fayilolin ciki kuma aka loda su cikin binar iri ɗaya kowane lokaci kuma ga duk masu amfani.
A ci gaban Karin Raadt zai yi aiki ta hanyar samar da wannan takamaiman hoton yayin girkawa, yayin sabuntawa ko lokacin taya. Idan mai amfani yayi takalmi, sabuntawa ko sake kunna inji, sabon kernel da aka kirkira za'a maye gurbinsa da sabon binary. Kuma duk wannan don me? Da kyau, ta wannan hanyar ana yin bazuwar wuri don adiresoshin ƙwaƙwalwar ajiya inda aikace-aikacen da lambar kernel suke aiwatarwa, maimakon samun matsayi ko ɓangarorin ƙwaƙwalwar ajiya waɗanda aka riga aka ayyana kowane abu, wanda ke rikitar da amfani da abubuwan amfani waɗanda ke nuna yankin ƙwaƙwalwa kuma inganta tsaro.
Akwai wata dabara makamancin wannan da ake kira KASLR (Tsarin Tsarin Tsarin Tsarin Kernel), wanda ya banbanta da KARL ta yadda maimakon samar da binary daban a kowane lokaci, KASLR yana ɗaukar abu ɗaya a cikin wurare bazuwar, wanda shine abin da tsarin aiki kamar Windows da Linux ke amfani dashi yanzu. Dukansu don manufa ɗaya.