Operating System Glossary
A list of operating system related terminology. Add a glossary word if it is not already there.
| API |
Application Programming Interface |
| BDA |
BIOS Data Area |
| BIOS |
Basic Input Output System |
| BP |
Base Pointer |
| BPB |
BIOS Parameter Block |
| CCP |
Configuration Control Register |
| CHS |
Cylinder Head Sector |
| DIR |
Digital Input Register |
| DMA |
Direct Memory Access |
| DSO |
Downloadable Sub Oliteration |
| EOF |
End Of File |
| EXT |
extended file system |
| FAT |
File Allocation Table |
| FCB |
File Control Block |
| FDC |
Floppy Drive Controller |
| FDD |
Floppy Disk Drive |
| FLIH |
First Level Interrupt Handler |
| FTP |
File Transfer Protocol |
| GDT |
Global Descriptor Table |
| HAL |
Hardware Abstraction Table |
| HDC |
Hard Disk Controller |
| HDD |
Hard Disk Drives |
| HPFS |
high performance file system |
| HTTP |
Hyper Text Transfer Protocol |
| IDT |
Interrupt Descriptor Table |
| IF |
Interrupt Flag |
| IP |
Internet Protocol |
| IPC |
Inter Process Communication |
| ISA |
Industry Standard Architecture |
| ISR |
Internet Service Routine |
| IVT |
Interrupt Vector Table |
| LBA |
Logical Block Addressing
|
| LDT |
Local Descriptor Table |
| LPC |
Low Pin Count |
| LUT |
Look up Table |
| LVM |
logical volume manager |
| MBR |
Master Boot Record |
| MBR |
memory buffer register |
| MMU |
Memory Manage Unit |
| MSR |
Main Status Register |
| NTFS |
New Table File System |
| NTFS |
new TECHNOLOGY file system |
| NTLDR |
new technology loader |
| OCW |
Operation Command WOrd |
| OTP |
One Time Programmable |
| PAE |
Physical Address Expansion |
| PAS |
Physical Address Space |
| PC |
Program Counter |
| PCB |
Process Control Block |
| PCB |
Printed Circuit Board |
| PDBR |
Page Directory Base Register |
| PDT |
Page Directory Table |
| PIC |
Programmable Interrupt Controller (IC 8259A) |
| PIT |
Programmable Interrupt Timer (IC 8254) |
| PMM |
Physical Memory Manager |
| POST |
power on self test |
| PPI |
Programmable Peripheral Interface |
| PSE |
Page Size Extension |
| PSFS |
polyserve file system |
| PTE |
Page Table Entries |
| SC |
Stack Counter |
| SDL |
Shielded Data Link |
| SJF |
shortest job first |
| SLIH |
Second Level Interrupt Handler |
| SP |
Stack Pointer |
| STBR |
segment table base register |
| TCP |
Transmission control protocol |
| TDR |
Tape Drive Register |
| TLB |
Translation Lookaside Buffer |
| TSR |
Terminate and Stay Resident |
| UDP |
User Datagram Protocol |
| UFS |
unix file system |
| USB |
Universal Serial Bus |
| VAS |
Virtual Address Space |
| VFS |
Virtual File System |
| VMM |
Virtual Memory Manager |
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