Mainframe Guild

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Overview

The word "faction" is probably ill-suited since the group is exclusive only to Mainframe OS-tans, the goddesses of the OS-tan Annex Universe. They overlook the workings of the world from behind the scenes. Contact with mortal OS-tans is considered taboo and forbidden (with the exception of former Mainframe-tans who have simply undergone microsizing), and, conversely, many obstacles have been emplaced to prevent mortal OS-tans from accessing the "Mainframe". Therefore, little is generally known about these mysterious OS-tans, other than they are insanely powerful and impossibly arrogant. Even less is known about the occasional secret "meddling" in the affairs of mortal OS-tans, which again is forbidden (but perhaps not as well-enforced as it should).

Continuity changes

In the original incarnation of the Annex Project, the mainframe-tans were all literally giantesses, over 50 feet tall. This has mainly fallen out of fanon, but as an allusion to it, the mainframe-tans are shrouded in myth to all the other OS-tans, including mythical tales of mysterious mainframe-tans being giantesses.

Members

• BESM
• CP/CMS
• CRAY-1
• IAS (aka "Institute for Advanced Study Machine")
• KRONOS
• MACE
• MCP (aka "Master Control Program")
• Music/CP
• NOS (aka "Network Operating System)
• NOS/VE
• NTT DIPS
• ORDVAC
• OS/360
• RCA TSOS (aka "VS/9", "BS2000")
• SCOPE
• SWAC
• VM/CMS
• VSE (fka "DOS/360")
• Z/OS