- O -
- Object Kernel for DOS
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ODIHLP.EXE - INSTALLATION CHECK
- Olivetti Quaderno
- Omniview Multitasker
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Ontrack Drive Rocket - SET CYLINDER OFFSET
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OPTHELP.COM
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OPTIMA 1024 VGA-Sync - QUERY ZOOM WINDOW
- OPTIMA 1024 VGA-Sync,ET-3000 chipset
- Oracle SQL Protected Mode Executive
- OS HOOK
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COMPLETION OF SYSREQ FUNCTION (AT,XT286,PS50+)
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DEVICE BUSY (AT,PS)
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DEVICE CLOSE
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DEVICE OPEN (AT,XT286,PS)
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DEVICE POST (AT,PS)
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PROGRAM TERMINATION
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ROM BIOS TRACING CALLOUT (PS30/286,PS50Z,PS95)
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SETUP SYSREQ ROUTINE (AT,XT286,PS50+)
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OS HOOK - SysReq KEY ACTIVITY (AT,PS)
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OS/2 - GET VDD API ENTRY POINT
- OS/2 compatibility box
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OS/2 v1.1+ Compatibility Box Family API - DosQPathInfo
- OS/2 v1.1+ Family API
- OS/2 v1.x FAPI
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OS/2 v2.0 - DosOpen2
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OS/2 v2.0+ - INSTALLATION CHECK / GET VERSION
- OS/2 v2.0+ Virtual DOS Machine
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OS/2 v2.1 Virtual DOS Machine - GET LASTDRIVE
- OS/2 v2.1+ Virtual DOS Machine
- OS/286, OS/386
- OS/386 VMM
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Overlay manager interrupt (Microsoft LINK.EXE, Borland TLINK VROOMM)
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Overwritten by CP/M jump instruction in INT 30