AG: Add Gibberish AGO: Allow Games Only AII: Add Insult to Injury APX: Apply Power and eXplode ARG: Agree to Run Garbage ASBM: Add Soap to Bubble Memory ASPR: Arithmetic Shift Passwords Right BA: Branch Approximate BBL: Branch on Burned out Light BDC: Break Down and Cry BEQ: Buy EQuipment BFM: Branch on Full Moon BFP: Blow Front Panel BGL: Branch and Goto Lunch BH: Branch and Hang BIB: Branch If Branch if branch... BLI: Branch and Loop Infinite BNE: Buy Non-IBM Equipment BOMB: Burn Out Memory Banks BOZO: Use Multics operating system BPB: Branch on Program Bug BPP: Branch Pretty Please BSO: Branch Sort Of BW: Branch on Whim BYEBYE: Store in Write-Only Storage BZR: Branch if piZza Ready CAO: Compare Apples to Oranges CBA: Compare if Biorhythms Amenable CCC: Crash if Carry Clear CCP: Clear Core and Proceed CDC: Clear Disks and Crash CEQ: Corrupt and Erase Queue CLOUT: Call Long-distance On Unused Telephone CM: Circulate Memory CMN: Convert to Mayan Numerals COMB: Straighten Wires CPE: Create Parity Error CPM: Change Programmer's Mind CPP: Crush Plotter Pen CRN: Compare to Random Number CSD: Charge Surreptitiously to DOE CSF: Charge to NSF CWB: Carry With Borrow D: Detonate DC: Divide and Conquer DCBP: Detonate Chair on Bad Password DCVP: Destroy another Computer Via Phone-link DMK: Destroy Memory-protection Key DMZ: Divide Memory by Zero DNC: Do Not Collect $200 DNPG: Do Not Pass Go DO: Deadstart Operator DPC: Double Precision Crash DPN: Double Precision No-op DSO: Do Something or Other DST: Deadlock System Tables DTF: Dump Tape to Floor DTFS: Dump Tape to Floor and Shred DUL: Delete Utility Library EBO: Emulate Brown-Out ED: Eject Disk EF: Emulate Fireworks EFB: Emulate Five-volt Battery mode EFBI: Emulate Five-volt Battery Intermittently EIV: Erase IPL Volume EOS: Erase Operating System EROS: Erase Read-Only Storage ESBD: Erase System and Burn Documentation ESC: Emulate Small Child ESR: Emulate Slide Rule ETO: Emulate Toaster Oven FA: Failsafe Armed FCE: Fill Core with Epoxy FD: Failsafe Disarmed FLR: Flash Lights Randomly FR: Flip Record FSE: Fake Serious Error FSM: Fold, Spindle and Mutilate FSRA: Forms Skip and Run-Away GLV: Ground the Line Voltage GME: Generate Meaningless Error GSI: Garble Subsequent Instruction HAL: Murder Operator HALT: No-Op HBT: Harvest Binary Tree HCF: Halt and Catch Fire HCFI: Halt and Catch Fire Immediate HEM: Hide Evidence of Malfunction HSJ: Hop, Skip and Jump IA: Illogical And IAI: Ignore All Instructions IAM: Increase Amperage Above Maximum IBLU: Ignore Basic Laws of Universe IG: Insert Garbage IIB: Ignore Inquiry and Branch anyway IKI: Ignore Keyboard Input IML: Invoke Murphy's Laws IO: Illogical Or IOP: Insult OPerator IPL: Invent Program Lines IXM: Initiate X-rated error Messages JSP: Jump on Sexy Programmer JTC: Jump To Conclusions JUM: Jeer at User's Mistake KFP: Kindle Fire in Printer L: Lie! LA: Lockout Access LAG: Load and Garble LB: connect Line-voltage to BITNET LC: Lobotomize CPU LCD: Launch Cartridge Disk LD: Lose Device LINO: Last In, Never Out mode LJD: Lock Job on Disk LOOP: (go to LOOP) LOW: Launch on Warning LTT: Lose Timing Track MAW: Make Aggravating Whine MBR: Move Bits Randomly MC: Melt down Core MD: Move and Drop bits MET: Misread and Eat Tape MFC: Mangle Following Command MII: Mask all Interrupts and then Interrupt MT: Muddle Through MTP: MounT Programmer MW: Multiply Work NBR: Unconditional No BRanch NBRM: Unconditional No BRanch Multiple NNI: Neglect Next Instruction NOP: Randomize the PSW and then branch OI: Vey OKP: On your Knees and Pray! PBC: Print and Break Chain PBF: Pay Bus Fare PBT: Prune Binary Tree PDH: Page to Disk for the Hell of it PFM: Pray For Miracle PHP: Put Hackers into Privileged mode PIC: Permute Instruction Codes PMT: Punch Magnetic Tape PNG: Pass Noxious Gas PO: Punch Operator POI: Power Off Intermittently PRM: PRint Money PS: Pirate Software PSM: Print and SMear PSP: Push Stack Pointer PUS: PUrge System PWB: Put to Waste Basket QVC: Question Valid Command Recursive: (see Recursive) RAI: Randomize Accounting Information RBR: Remove Bits Randomly RBT: Rewind and Break Tape RC: Rewind Core RCM: Randomly Corrupt Microcode RCR: Rewind Card Reader RCS: Read Card Sideways RDL: Rotate Disk Left RDLI: Rotate Disk Left Immediate RDR: Rotate Disk Right RDRI: Rotate Disk Right Immediate REP: Randomly Execute Programmers RG: Read inter-record Gap RIW: Re-Invent Wheel RJT: Read and Jam Tape RLB: Ruin Logic Board RLBM: Ruin Logic Board Multiple RLBMI: Ruin Logic Board Multiple Indexed RNC: Re-Number Channels RP: Read Printer RPM: Read Programmer's Mind RPSW: Randomize Program Status Word RSC: Rewind System Clock RTS: Rewind Tape and Shred RWD: Rewind Disk SARTRE: (Statement has no purpose) SBB: Store in Bit Bucket SCS: Spurious Cold Start SCEU: Simulate Correct Execution, Usually SD: Self Destruct SDD: Scratch Disk and Die SDJ: Send all Data to Japan SDL: Shift Disk Left SDLI: Shift Disk Left Immedite SDP: Search and Destroy Pointer SDR: Shift Disk Right SDRI: Shift Disk Right Immediate SDS: Sort of Do Something SEOB: Set Every Other Bit SFA: Seek Financial Assistance SG: Show Garbage SGD: Spin and Granulate Disks SHP: Solve Halting Problem SHUTDOWN: (See EFB) SM: Sear Memory SNARF: System Normalize And Reset Flags SOD: Scribble On Disk SPAT: Show Passwords on All Terminals SPDS: Scramble PDS SRZ: Subtract and Reset to Zero SSAN: Stop, and See if Anyone Notices SSD: Scramble Segment Directory SSN: Set Serial Number SSU: Screw the System Users ST: Scratch Tape START: Cancel preceding jobs in queue STOP: No Op STBR: Scratch Tape Before Reading SVC: Swindle, Violate and Corrupt SVE: Skip on Vernal Equinox TCP: Terminate Control Program TDB: Transfer and Drop Bits TIO: Take It Over TOAC: Turn Off Air Conditioner TSZ: Thus Spake Zarathustra TVO: Type Various Obscenities UBC: Use Bad Chip UDF: Use Disk for Frisbee ULC: Undo Last Command UTD: Unravel Tape into Drive VAX: Change vendor immediately (See BNE) VDP: Violate Design Parameters VMB: Verify, then Make Bad WAF: Warn After the Fact WBT: Water Binary Tree WC: Wind Clock WDS: Warp Drive, Scotty! WE: Write and Erase data WFL: Wave FLag WK: Write to Keyboard WNR: Write Noisy Record WROM: Write to Read Only Memory WRTJ: Who Reads This Junk? WWLR: Write Wrong Length Record XA: Execute Address field XER: Exclusive ERror XI: Execute Invalid op-code XID: Exchange Instructions with Data XM: Exclusive Maybe XO: Execute Operator XYZZY: Branch and Play Adventure YII: Yield to Irresistable Impulse YOGA: Exit Finite-State Mode YOYO: (See EFBI) ZCFH: Zero Core For the Hell of it
Culled from the Mists of Time by David Salzman and John von Neumann of the National Supercomputer Center, salzman@jvncc.csc.org. From the Internet. © Unknown.