Access Software (screen Readers, Etc)
Applications
BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly.
Expansion Bus BIOSes
Vendor-specific BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. Extensions
Caches/spoolers
File/disk Compression
CPU-generated
Debuggers/debugging Tools
DOS Extenders
DOS Kernel
DOS-based Task Switchers/multitaskers
Electronic Mail
Emulators
IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. Workstation/terminal Emulators
FAX
File Manipulation
Games
Hardware
Vendor-specific Hardware
Disk I/O Enhancements
Mouse/pointing Device
Non-traditional Input Devices
Printer Enhancements
Serial I/O
Japanese
Joke Programs
Keyboard Enhancers
Memory Management
Network
Non-volatile Config Storage
Reserved (and Not Otherwise Classified)
Other Operating Systems
Power Management
DESQview/TopViewTopView, DESQview, TaskView, OmniView, other compatibles and Quarterdeck Programs
Remote Control/file Access
Runtime Support
Security
Shells/command Interpreters
Sound/speech
System Info/monitoring
TSR(Terminate and Stay Resident) A program which remains in memory after terminating in order to provide services to other programs or the user. The name comes from the name of the DOS function call used to remain in memory after termination. Libraries
Resident Utilities
Video
Virus/antivirus
MS Windows