A cikin kashi na yau na jifar mu na yau da kullun zuwa baya, muna sake kallon Apple. A wannan lokacin zai kasance dangane da tsarin aiki na System 7, wanda muke tunawa da gabatarwa a yau. Baya ga System 7, za a kuma tattauna kafuwar Network General Corporation a yau.
Kafa Network General Corporation (1986)
A ranar 13 ga Mayu, 1986, aka kafa Network General Corporation. Wadanda suka kafa ta su ne Len Shustek da Harry Saal, kuma kamfaninsu ya ba da, a tsakanin sauran abubuwa, hanyoyin gudanarwa don hanyoyin sadarwar kwamfuta. A cikin 1997, Network General Corporation da McAfee Associates sun haɗu don ƙirƙirar Associates Networks. Wanda ke da hedikwata a Menlo Park, California, samfurin farko na kamfanin shine kayan aikin bincike mai suna The Sniffer, wanda aka yi amfani da shi don tantance matsalolin da ka'idojin sadarwa.
Anan yazo System 7 (1991)
A ranar 13 ga Mayu, 1991, Apple ya fitar da tsarin aikinsa mai suna System 7 don kwamfutocin Macintosh. Shi ne babban sabuntawa na biyu ga Mac OS tsarin aiki. Ɗaya daga cikin manyan fasalulluka na System 7 an haɗa haɗin haɗin kai multitasking. An sanya wa tsarin aiki na System 7 suna Big Bang kuma har zuwa 1997 yana iya yin alfahari da sunan tsarin da aka fi amfani da shi don kwamfutocin Apple na Macintosh. Baya ga multitasking, System 7 ya kuma ba da izinin raba fayil, alal misali, kuma idan aka kwatanta da wanda ya gabace shi - System 6 - shi ma yana ba da ingantaccen mai amfani. An samar da System 7 don Macs tare da masu sarrafawa daga Motorola, amma daga baya an tura shi zuwa Macs tare da na'urori masu sarrafawa na PowerPC kuma.