The Windows Command Prompt (CMD) is an incredibly powerful tool. With just a few keystrokes, you can tweak settings, automate tasks… or completely destroy your PC.
Some commands are so lethal that running them even once can wipe your data, brick your system, or make your computer a lifeless shell.
And the worst part? There’s no undo button.
Let’s dive into six of the most dangerous CMD commands you should never run—unless you want to experience digital catastrophe firsthand.
Some commands are so lethal that running them even once can wipe your data, brick your system, or make your computer a lifeless shell.
And the worst part? There’s no undo button.
Let’s dive into six of the most dangerous CMD commands you should never run—unless you want to experience digital catastrophe firsthand.
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Command:
del /f /s /q C:\Windows\System32
What happens if you run it?
Imagine losing everything just because of one command.
Command:
rd /s /q C:\
What happens if you run it?
What’s scarier? Some malware executes this command silently. Ever wonder why some people randomly lose all their files?
Command:
shutdown -r -t 0 -f
What happens if you run it?
Think you could break out of this trap in under 2 minutes? Let’s see if you’re fast enough! ⏳
Command:
format C: /fs:NTFS
What happens if you run it?
Can You Fix It? Only if you have an external recovery drive. Otherwise, you’re starting from scratch.
Command:
echo Y | del C:\*.* /F /S /Q
Why is this the worst?
Honestly,I dare you to run this.
Open the notepad and type the command below.
Command:
:loop
msg * "Your PC is HACKED!"
goto loop
Save the file as prank.bat and run it.
What happens?
If someone offered you $10,000 to run ONE of these commands on your personal PC… which one would you choose?
Oh, and here’s a terrifying thought:
What if someone ELSE ran one of these commands on YOUR PC while you weren’t looking?
Drop your answers in the comments—we’re reading EVERY reply! And if you love crazy tech break downs like this one, subscribe to out YouTube channel to always get a hands-on experience. Don’t forget to share with a friend that needs this.
1. Deleting System32 – Your PC’s Instant Death Sentence
System32 is the beating heart of Windows. It holds critical system files that keep your OS running. But if you delete it? Say goodbye forever to your PC.Command:
del /f /s /q C:\Windows\System32
What happens if you run it?
- Your system will start glitching instantly—missing icons, broken functions, weird errors.
- Upon restart, Windows won’t boot.
- The only fix? A full reinstallation of Windows from scratch.
Imagine losing everything just because of one command.
2. Hard Drive Wipe – The Point of No Return.
Want to see your entire PC vanish in seconds? This command is the nuclear option—it wipes out your whole drive, leaving behind nothing but regret.Command:
rd /s /q C:\
What happens if you run it?
- EVERYTHING is permanently deleted—files, folders, programs.
- Your operating system is erased, turning your PC into a useless brick.
- Data recovery? Forget it. It’s like setting your hard drive on fire.
What’s scarier? Some malware executes this command silently. Ever wonder why some people randomly lose all their files?
3. The Infinite Restart Trap.
This one doesn’t delete files, but it locks your PC in an endless restart loop, making it impossible to use.Command:
shutdown -r -t 0 -f
What happens if you run it?
- Your PC restarts immediately—and if paired with a loop script, it never stops.
- You won’t have time to save files or react.
- The only way out? Boot into Safe Mode and manually remove the script.
Think you could break out of this trap in under 2 minutes? Let’s see if you’re fast enough! ⏳
4. Formatting Your Hard Drive – A Fresh Start or a Nightmare?
Formatting a hard drive is sometimes necessary when installing a new OS, but accidentally running this on your main drive will wipe out everything.Command:
format C: /fs:NTFS
What happens if you run it?
- Your entire C: drive is erased.
- Your operating system disappears, forcing a complete reinstall.
- No backups? No recovery. All your data is gone forever.
Can You Fix It? Only if you have an external recovery drive. Otherwise, you’re starting from scratch.
5. The Ultimate Self-Destruct Command ☠
This is the grand finale—the command that erases everything instantly with no confirmation, no hesitation, and no chance of recovery.Command:
echo Y | del C:\*.* /F /S /Q
Why is this the worst?
- del C:\*.* deletes every file on your system.
- /F forces deletion of protected files.
- /S wipes everything inside folders.
- /Q runs silently without any warnings.
- echo Y | auto-confirms the deletion—so there’s no turning back.
Honestly,I dare you to run this.
6. BONUS: The Fake “HACKED” Prank
After all these terrifying commands, let’s lighten the mood with a harmless but hilarious prank you can try on your friends.Open the notepad and type the command below.
Command:
:loop
msg * "Your PC is HACKED!"
goto loop
Save the file as prank.bat and run it.
What happens?
- It creates an infinite loop of pop-up messages, making it look like the PC is under attack.
- Harmless? Yes. Hilarious? Absolutely.
- Open Task Manager (Ctrl + Shift + Esc)
- Find cmd.exe
- Click End Task
The Ultimate Question: Would You Take the Risk?
Now that you know some of the most dangerous CMD commands:If someone offered you $10,000 to run ONE of these commands on your personal PC… which one would you choose?
Oh, and here’s a terrifying thought:
What if someone ELSE ran one of these commands on YOUR PC while you weren’t looking?
Drop your answers in the comments—we’re reading EVERY reply! And if you love crazy tech break downs like this one, subscribe to out YouTube channel to always get a hands-on experience. Don’t forget to share with a friend that needs this.