AAC Alter All Commands
AAD Alter All Data
AAO Add And Overflow
AAR Alter At Random
AB Add Backwards
ABC AlphaBetize Code
ABR Add Beyond Range
ACC Advance CPU Clock
ACDC Allow Controller to Delete Contents
ACDP Allow Controller to Die Peacefully
ACQT Advance Clock to Quitting Time
ADB Another Dumb Bug
AEE Absolve Engineering Errors
AFF Add Fudge Factor
AFHB Align Fullword on Halfword Boundary
AFP Abnormalize Floating Point
AFR Abort Funny Routine
AFVC Add Finagle’s Variable Constant
AGB Add GarBage
AGWA Add and Get Wrong Answer
AI Add Improper
AIB Attack Innocent Bystander
AIB Attack Innocent Bystanders
AISG Access and Improve Student Grade
AMM Add Mayo and Mustard
AMM Answer My Mail
AMS Add Memory to System
ANC ANnoy Consultant
AOI Annoy Operator Immediate
AR Advance Rudely
AR Alter Reality
ARN Add and Reset to Non-zero
ARN Add and Reset to Nonzero
ARZ Add and Reset to Zero
AS Add Sideways
ASQGSA ASCII Stupid Question, Get a Stupid ANSI
AT Accumulate Trivia
AWP Argue With Programmer
AWTT Assemble With Tinker Toys
BA Branch Anywhere
BAC Branch to Alpha Centauri
BAD Branch And Die
BAD Branch to Auto Destruct
BAF Blow All Fuses
BAH Branch And Hang
BALC Branch And Link Cheeseburger
BAP Branch And Punt
BAW Bells And Whistles
BB Branch on Bug
BBBB Byte Baudy Bit and Branch
BBBF Branch on Bit Bucket Full
BBD Branch on Bastille Day
BBI Branch on Burned-out Indicator
BBIL Branch on Burned-out Indicator Light
BBLB Branch on Blinking Light Bulb
BBT Branch on Binary Tree
BBW Branch Both Ways
BCB Burp and Clear Bytes
BCF Branch on Chip box Full
BCIL Branch Creating Infinite Loop
BCR Backspace Card Reader
BCS Branch and Crash System
BCU Be Cruel and Unusual
BD Backspace Disk
BD Branch to Data
BDC Break Down and Cry
BDI Branch to Data Indirect
BDM Branch and Disconnect Memory
BDT Burn Data Tree
BDU Branch on Dense User
BE Branch Everywhere
BEW Branch Either Way
BF Belch Fire
BF Blow Fuse
BF Branch Forever
BFD Branch on Full Disk
BFF Branch and Form Feed
BFM Be Fruitful and Multiply
BH Branch and Hang
BIR Branch Inside Ranch
BIRM Branch on Index Register Missing
BLC Branch and Loop Continuous
BLI Branch and Loop Infinite
BLM Branch, Like, Maybe
BLMWM Branch, Like, Maybe, Wow, Man
BLP Boot from Line Printer
BLR Branch and Lose Return
BLSH Buy Low, Sell High
BLT Break Little Thing
BM Branch Maybe
BMI Blow up Memory Immediate
BMI Branch on Missing Index
BMI Branch to Muncee Immediate
BMP Branch and Make Popcorn
BMR Branch Multiple Registers
BMUS Beam Me Up, Scotty
BNA Branch to Nonexistant Address
BNCB Branch and Never Come Back
BNL Become a Neo-Luddite
BNR Branch for No Reason
BOB Branch On Bug
BOD Beat On Disk
BOD Branch on Operator Desperate
BOH Branch On Humidity
BOH Branch on Operator High
BOHP Bribe Operator for Higher Priority
BOI Byte Operator Immediately
BOP Boot OPerator
BOT Branch On Tree
BPB Branch on Program Bug
BPDI Be Polite, Don’t Interrupt
BPIM Bury Programmer In Manuals
BPL Branch PLease
BPM Become a Psych Major
BPO Branch on Power Off
BPO Branch on Power On
BPP Branch and Pull the Plug
BR Byte and Run
BRA Branch to Random Address
BRB BRanch on Beaver
BRH BRanch and Hang
BRI BRanch Indefinitely
BRL BRanch and Leak
BRO BRanch and Overheat
BRO BRanch to Oblivion
BS Behave Strangely
BSC Branch on Second Coming
BSC Burst Selector Channel
BSD BackSpace Disk
BSI Back up Sewer Immediate
BSI Backup Sewer Immediately
BSM Branch and Scramble Memory
BSO Branch on Sleepy Operator
BSP BackSpace Punch
BSR Branch and Stomp Registers
BSS Branch on SunSpot
BSST BackSpace and Stretch Tape
BTD Branch on Time of Day
BTD Byte The Dust
BTI Blow Trumpet Immediately
BTJ Branch and Turn Japanese
BTO Branch To Oblivion
BTW Branch on Third Wednesday
BU Branch Unexpectedly
BUTI Blow Up Terminal Immediately
BVS Branch and Veer South
BW Branch on Whim
BWC Branch When Convenient
BWF Busy, Wait Forever
BWOP BeWilder OPerator
BYDS Beware Your Dark Side
BYTE BYte TEst
CAC Calling All Cars
CAC Cash And Carry
CAF Convert ASCII to Farsii
CAI Corrupt Accounting Information
CAIL Crash After I Leave
CAR Cancel Accounts Receivable
CAT Confused And Tired
CB Consult Bozo
CBA Compare and Branch Anyway
CBBR Crash and Blow Boot Read-only memory
CBNC Close, But No Cigar
CBS Clobber BootStrap
CC Call Calvery
CC Compliment Core
CCB Chocolate Chip Byte-mode
CCB Consult Crystal Ball
CCC Crash if Carry Clear
CCCP Conditionally Corrupt Current Process
CCD Choke Cough and Die
CCD Clear Core and Dump
CCR Change Channels at Random
CCS Chinese Character Set
CCWR Change Color of Write Ring
CD Complement Disk
CDC Clear Disk and Crash
CDC Close Disk Cover
CDIOOAZ Calm Down, It’s Only Ones And Zeroes
CDS Change Disk Speed
CEMU Close Eyes and Monkey with User space
CEX Call EXterminator
CF Come From [replaces goto]
CFE Call Field Engineer
CFP Change and Forget Password
CFS Corrupt File Structure
CG Convert to Garbage
CH Create Havoc
CHCJ Compare Haig to Christine Jorgensen
CHPAMR CHase Pointers Around Machine Room
CHSE Compare Half-words and Swap if Equal
CIB Change Important Byte
CIC Cash In Chips
CID Compare and Ignore Data
CIMM Create Imaginary Memory Map
CIZ Clear If Zero
CLBR CLoBber Register
CLBRI CLoBber Register Immediate
CM Circulate Memory
CMD CPU Melt Down
CMD Compare Meaningless Data
CMI Clobber Monitor Immediate
CML Compute Meaning of Life
CMP Create Memory Prosthesis
CMS Click MicroSwitch
CN Compare Nonsensically
CNB Cause Nervous Breakdown
CNS Call Nonexistent Subroutine
COCS Copy Object Code to Source
COD Crash On Demand
COLB Crash for Operator’s Lunch Break
COM Clear Operator’s Mind
COMF COMe From
CON Call Operator Now
COS Copy Object code to Source file
COWYHU Come Out With Your Hands Up
CP Compliment Programmer
CP%FKM CPU \(em FlaKeout Mode
CP%WM CPU \(em Weird Mode
CPB Create Program Bug
CPN Call Programmer Names
CPPR Crumple Printer Paper and Rip
CRASH Continue Running After Stop or Halt
CRB CRash and Burn
CRD Confirm Rumor by Denial
CRM CReate Memory
CRM Clear Random Memory
CRN Compare with Random Number
CRN Convert to Roman Numerals
CRYPT reCuRsive encrYPt Tape
CS Crash System
CSL Curse and Swear Loudly
CSN Call Supervisor Names
CSNIO Crash System on Next I/O
CSS Crash Subsidiary Systems
CSU Call Self Unconditional
CTDMR Change Tape Density, Mid Record
CTT Call Time and Temperature
CU Convert to Unary
CUC Cheat Until Caught
CVFL ConVert Floating to Logical
CVFP ConVert Fortran to Pascal
CVG ConVert to Garbage
CVU ConVert to Unary
CWAH Create Woman And Hold
CWB Carry With Borrow
CWDC Cut Wires and Drop Core
CWG Chase Wild Goose
CWGK Compare Watt to Genghis Khan
CWIT Compare Watt to Ivan the Terrible
CWM Compare Watt to Mussolini
CWOM Complement Write-Only Memory
CZZC Convert Zone to Zip Code
DA Develop Amnesia
DAB Delete All Bugs
DAC Divide And Conquer
DAD Destroy A-Disk
DAO Divide And Overflow
DAP De-select Active Peripheral
DAUF Delete All Useless Files
DB Drop Bits
DBL Desegregate Bus Lines
DBR DeBase Register
DBTP Drop Back Ten and Punt
DBZ Divide By Zero
DC Degauss Core
DC Divide and Conquer
DCAD Dump Core And Die
DCD Drop Cards Double
DCGC Dump Confusing Garbage to Console
DCI Disk Crash Immediate
DCON Disable CONsle
DCR Double-precision CRash
DCT Drop Cards Triple
DD Destroy Disk
DD Drop Disk
DDC Dally During Calculations
DDOA Drop Dead On Answer
DDS Delaminate Disk Surface
DDT Debug Program
DDWB Deposit Directly in Waste Basket
DEB Disk Eject Both
DEC Decompile Executable Code
DEI Disk Eject Immediate
DEM Disk Eject Memory
DFA Disable FAns
DGO Decrement the Grades of Others
DGT Dispense Gin and Tonic
DHTPL Disk Head Three Point Landing
DIA Develop Ineffective Address
DICE Delete Invalid Customer Engineer
DIE DIsable Everything
DIF DIsable Fuses
DIG DIsable Gravity
DIH Disable Interrupts and Hang
DIRFO Do It Right For Once
DISC DISmount CPU
DK Destroy Klingons
DKP Disavow Knowledge of Programmer
DLN Don’t Look Now
DLP Drain Literal Pool
DMAG Do MAGic
DMNS Do what i Mean, Not what i Say
DMP Destroy Memory Protect key
DMPE Decide to Major in Phys. Ed.
DMPK Destroy Memory Protect Key
DMZ Divide Memory by Zero
DND Destroy Neighbor’s Data
DNPG Do Not Pass Go
DO Divide and Overflow
DO Divide and Overflow [IBM PC]
DOC Drive Operator Crazy
DOV Divide and OVerflow
DP Destroy Peripherals
DPC Decrement Program Counter
DPCS Decrement Program Counter Secretly
DPK Destroy storage Protect Key
DPMI Declare Programmer Mentally Incompetent
DPN Double Precision No-op
DPR Destroy PRogram
DPS Disable Power Supply
DR Detach Root
DRAF DRAw Flowchart
DRAM Decrement RAM
DRBA Deposit Round-off in my Bank Account
DRD DRop Dead
DRI Disable Random Interrupt
DROM Destroy ROM
DRT Disconnect Random Terminal
DS Deadlock System
DSD Dismount System Disk
DSI Do Something Interesting
DSO Disable System Operator
DSP Degrade System Performance
DSR Detonate Status Register
DSTD Do Something Totally Different
DSUIT Do Something Utterly, Indescribably Terrible
DT
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