The Link That Can Crash Chrome: http://a/%%30%30
HTML-код
- Опубликовано: 11 сен 2024
- tomscott.com - / tomscott - In the news today: a link which, when moused over or clicked on, crashes Google Chrome. It's a heck of a bug: but how does it work, and what does it have to do with "null-terminated strings"?
TECH DETAILS: code.google.co...
RUclips is showing us this now cause it doesn't work anymore.
Woah, true
Ugh
Yes
Google own youtube
@@anawilliams1332 wow thank you for telling us sherlock
Jokes on you, Chrome on my computer don't need this link to crash.
poor dude XD
FACTS
TRUE!!!!!!!!!!!!
Same
@@harsh3624 its a joke
They should leave this issue unfixed and let it become the new rickroll instead.
And no one is gonna talk about the legend we got here?
@@user-mv1nv7et8i ikr
Bruh
dihds
oh ok
I love all these old "Tom Scott explains some viral coding bug" videos. They're super succinct while still giving a totally satisfying explanation of the phenomenon.
Yooo Phos pfp!
So basically, Chrome gets terribly confused, panics, and runs away.
Crashing is a good thing, if there wasn't a crashing safeguard the data file will get corrupted and have an irreparable damage for both your computer and the server.
Sousuke Aizen Well, damn!
would you rather it blow up xD
Not really. Not handling exceptions can't cause data corruption unless it's a low level function (for example memory managment in C). And even if it bugs out at any low level the only data you lose is in RAM (or any *single* file your process has opened), which isn't that bad since most new programs (MS Office, some Chrome extensions) save multiple copies of the file (two in temporary dir, and one at real location) and auto-save every few minutes.
And don't get me even started on that "_both you computer *and the server*_" nonsense. Nothing would happen to the server.
SpiritWolf - where would it run to???
* How to be a bad friend *
Step one: Take friends laptop and set this for his homepage.
... that... that was 2 steps.
@@mylittledashie7419 Whoopsie
@@mylittledashie7419 **Trying to find out how to delete someone else's comment*
Also, this vunerability was 4 years ago. Its been patched.
MyLittleDashie 7 are/waooosh!!! It wa s. A joke you bufoon!!!!!!!!!!!! R/wosh
"If you're watching this in the future, it's probably fixed"
Me, genuinely upset that I won't be able to crash chrome today: 😔
Me too!
You never know If you dont try
You can actually crash it by downgrading your chrome browser(do this on a computer that you don't need chrome on) to the update before the bug was fixed and it will work
ikr
There is a typo in "A"
Its amazing how similar code reading and mRNA duplication are. They both have a start string and a "null" string to finish. Amazing
In the end, its all bound to mathematics
@Juju Tze No, biologically mRNA synthesis starts and stops based on a specific DNA sequence, not because humans use coding to read mRNA.
It's start at methionine and ends at the stop codon
@@TD-yx8yo but mRNA is a sort of coding though
@@TD-yx8yo be it DNA or be it RNA, they're all codes that program our bodies. If I remember right, when I was in highschool learning about basics of coding, the code that we wrote in C++ is somekind of raw code, we must let computers translate that code into another code before running it. It's similar to DNA being the raw code and mRNA being the translated code, it's rules of this world anyway, like how math exists in every form on earth. the earth codings is much more complicated than human's codings tho.
RUclips recommends this to me... 3 YEARS LATER!
same
same
@@kalzor0219 ok
SAME
SAME!!11!
I love how tom always considers you may be watching in the future
Technically you always are
@@Aaron9101112 exactly, even if you watch it at video upload it's the future xD
ikr
Ya
and i am
You should have been like:
Link in discription
If tittle was "Link in the tittle: a/%%30%30"
title
Flamgo tittle
Your like is 666 now
You are Shreyas
I am also Shreyas..
It always sends shivers down my spine when some sound starts repeating or something because bluescreens are my worst nightmare
same bro
YESS SAME-
Form me it's the same but for Bugs in GENERALLY that take most/all screen and or glitch sound, idk why but i'm scared shitless.
replay a part if you want to get a heart attack
0:12: "As long as you aren't watching this off in the future."
Me: 5 years after this was uploaded: "Oh, well ok then"
This is was only five years ago. Are you from the future?
Not sure you understand what the other guy was trying to say, the video is only 5 years old and you said you’re watching it when the video is 6 years old
Theres one that just crashes windows now
@@quixz6335 this doesn't make any sense
@@andrewtate8057 no not this future..the other five years prior
I wonder how many C programmers got mad when you called NULL terminated strings dirty
a/%%30%30
*sniff*
null
\0
I asked one and they stopped talking mid-sentence
That exit was brilliant.
Agreed.
yup m
Brilliant exit - Brexit
+Luke Collinson lmfao
wouldve been better if it didnt have the text after it, but yeah, brilliant o3o
7 years later and RUclips still recommended the video
Thanks RUclips. Just what I needed in 2018/2019. A 2015 vulnerability
Well obviously they're not going to tell you about any current ones.
hindsight is 2020
@@stewartrun No, it got fixed 5 years ago
@@stewartrun Yet the video is about "Google Chrome". LMAO.
Welp 5 years later it recommended me this again
POV: RUclips recommended this to you after 5 years.
yes
YES
yes
Yes
Same
*You have to put it in your address bar and then hit Alt+F4. Then it works as of February 2017 :)*
noticed dude youre everywhere :D
That's not crashing the browser, that's exiting it.
jokes on you, i used mac
and november 2018
and december 2018
Tom has not changed. I thought this was uploaded recently, and tried the link on three different browsers to see if it would work.
who else tried it and got dissapointed when it didnt work
me
me
me
me :(
... As far as I am concerned, 2016 - 2015 = 1
2019: RUclips recommends this video and it's been patched
165 likes
and now in 2020
Tanks for testing :)
Im now very dissapointed :(
Now 2020
"if you're living off in the future"
i wish i wasnt living in this future
If you believe in parallel universes, somewhere in an alternate reality, 2020 was a great year.
much better time to be alive compared to everything else that's happened in history.
A video can only be viewed in the future relative to its upload, by definition
Same 😔✊
For the purposes of radiocarbon dating "The Present" is actually 1950. So Strictly speaking you are living no less than 70 years into the future!
"If you're watching this in the future. it's probably fixed"
Me, who got this on recommendations 6 years after this was uploaded and wants to try it: My disappointment is immeasurable and my day is ruined
115
"If you're watching this in the future. it's probably fixed"
Me, who got this on recommendations 6 years after this was uploaded and wants to try it: My disappointment is immeasurable and my day is ruined
116
"if you're watching this in the future. it's probably fixed"
Me, who got this on recommendations 6 years after with was uploaded and wants to try it: My disappointment is immeasurable and my day is ruined
117
"If you're watching this in the future. it's probably fixed"
Me, who got this on recommendations 6 years after this was uploaded and wants to try it: My disappointment is immeasurable and my day is ruined
118
"If you're watching this in the future. it's probably fixed"
Me, who got this on recommendations 6 years after this was uploaded and wants to try it: My disappointment is immeasurable and my day is ruined
you thought it was 119, but it was me DIO
same :/
*google* : let’s recommend this cause we fixed it
202 likes
nice
Lets do it again!
500:th like ölol
they didnt fix it
@dadad adqwdqq no they didnt i tried it and then it broke and i had to restart my computer
0:11 "if you're watching this in the future"
It's creepy when they can tell
you're not watching in the past are you
jonas aqueous big whooosh
@@ohg4338 it wasn't a joke to begin with so that doesn't work
@@jonasaqueous77 No they just meant that it's creepy because it's so far in the future that it doesn't work anymore. Of course when you watch a video you're watching it after it was posted (aka the future). The person who replied to you is just saying that your comment was a bit of a buzzkill, is all.
That's how time works. Welcome to the universe.
This is absolutely fantastic. Not only does it explain a rather subtle bug very well, it also does an incredible job at introducing pointers, memory representation and string termination. While these concepts seem simple once accustomed to them, they are rather tricky to explain to someone with no prior experience. Seriously, thanks a lot for this video! I will probably refer to it quite often in the future, taking 5 minutes to have someone watch it whenever I have to explain this stuff!
*I definitely understood everything*
did you do it?
From the C++ days to the web pythons, and AIs.... Gosh... Well.... This is already 5 years old ? It must mean that migration has happened already.... Sigh. I hate the current world. I genuinely hates it.
"As long as you arent watching this off in the future"
Me just now getting this recommended to me after 6 years: "dam"
The video that kills his own watchtime.
+PunktKommaNull I did not think this through.
+Tom Scott I'd love to see an interesting analysis of some of your viewing statistics by you.
Or increases it depending on the kind of viewer.
+PunktKommaNull A way to get double views from users by forcing them to open vid twice :D
Jimmy L I knew he thought this through very well!
"oh, hey, y'know im gonna try th-"
"5 years ago...hm"
⏣⏣
better link to crash stuff: \\.\globalroot\device\condrv\kernelconnect
@@Sohlstyce uh huh nice try
Glad this was recommended to me today instead of 6 YEARS EARLIER when it actually works
same xD
Same
late gang!
I'm still too afraid to try this because I'm honestly not sure if this is fixed or people are baiting...
@@arduous222 it is fixed 😭😭😭😭😭😭😭😭😭😭😭😭😭😭😭😭😭😭😭😭😭😭😭😭😭😭😭
Tom: Uploads this video in 2015
RUclips in 2022: Hey AusGames I think you will like this video!
the algorithm is weird
I don't know why I decided to test this but I did and chrome crashed. Then I had to load this up again so I just completely wasted my time.
+Sam Otten i mean it takes what five seconds? Chrome will say it crashed do you want to relaunch? you say yes, it will say "chrome didn't shut down correctly, restore last session?" you say yes and boom, it's like nothing ever happened.
+Absolute Zer0 Yes but I still just wasted 5-10 seconds for no good reason, although now I've spent longer than that replying to this for no good reason. Meh.
Sam Otten it was my plan all along. Now you have wasted even MORE precious seconds reading this comment.
Hardly a waste of time.
You set up a test and got a result out of it.
The reaction is knowledge and it was not a waste.
+Sam Otten all hail the flying spagehetti monster
What crashed chrome on 2015: this one of a type link
What crashes chrome in 2020: one video of wide Putin and polish cow
@da dog wit da big nose * Windows PC * Linux is fine
@da dog wit da big nose Why add Linux there? It's a bit unnecessary, ain't it?
I once had 10,000 photos of soldier tf2 high on plant and tried to delete them all but I got phantom gb instead but I fixed it by activating iCloud photos
@da dog wit da big nose wait does it actually just crash it or will it do something else O-o
@@resneptacle Linux users like to flex.
Dang it! Google fixed it :/
F
F
F
F
F
Ah the RUclips Algorithm has summoned me to watch this video at 3AM
I copied the URL into my adress bar, just to find out this video is a jear old -_-
same
"jear old"
Gerald?
larry?
Gary?
You led us to "a"
You've doomed us all
*a/%%30%30 is the link you desired.*
@Andrew Downie *too late, Ji rujided jit.*
Engineer gaming
a
a
So RUclips (google) recommends me this video to crash it 👁❤👁
How did you get 150k subs with 4 uploads and lies than 5k views?
Do I smell sub boting and not funny jokes? Yes I do.
@@JavaJake123 okay👤👍
I feel like you sub bot
well its not a link on ms edge soooo
Why yt gotta prank me by recommending this 7 years later 😭
just make this page in chrome home page:D
+Andrius Kamarauskas xD
rip
XD
Master Troll
and then forever rely on the Run dialog or other methods of launching Chrome with a URL already specified (ie C:\path\to\chrome\chrome.exe google.com)
1:47 “we’ve got plenty of memory, but there’s a cache” 😁😁😁💯💯
No
@@humanhuman5024 No.
@@humanhuman5024 No
@@titohermanto1829 No
@@JettJamesGD No
I am watching this from the future, how did you know?
I feel sorry for the Chrome programmers. This would be incredibly frustrating to fix.
+hhaxden I've put a link in the description to the actual bug report on Google Code. To quote one of the developers: "this is a mess."
+Tom Scott To be fair, the mess you keep referring to from comment 14 isn't a mess because it is hard to fix, but because every possible fix seems to break standards compliance and violate expected behavior in some way. The mess isn't the effort in fixing but the effort in deciding which fix is appropriate.
Luckily comment 36 clarified exactly how the standards say it should be handled and sadly it was determined in subsequent comments that making chrome standards compliant in that respect would untenable due to some assumptions in the design of "the extra validation we do on receiving URLs over IPC" so they were back to deciding which way of breaking URL handling is preferable to fix the crash.
Honestly the code wasn't too bad, there was a one day turn around between deciding on what to change and merging the change into beta.
Hey Tom, as the guy who fixed this bug in Chromium -- I'm not really sure why you spent so much time (or, really, any time at all) on null-terminated strings. It implies that the crash has something to do with misinterpreting an embedded null, which, as you said near the end of the video, isn't true. The crash has nothing to do with null-terminated strings.
Really the problem is simply that canonicalization wasn't idempotent when it was supposed to be. This could cause problems regardless of what value is ultimately encoded by the doubly-escaped string and there are a variety of places in which different bugs appeared as a result. It was too bad that right as you got to the point where I thought you'd explain one of these in more detail, the video ended :(
+Peter Kasting Huh?
+Peter Kasting not fixed
+Peter Kasting "as the guy who fixed this bug in Chromium"
Didn't fix it that well, it's still broken.
Diddleshot ***** Fix went in on trunk three days ago. Your build not being fixed is due to how we roll out fixes, not due to not actually fixing the bug in the source code. We don't just instantly push trunk changes to everyone in the world.
+Peter Kasting Thank you for fixing this issue so promptly Peter, your work is incredible!
"The Link That Can Crash Chrome"
Me on Firefox : *you fool*
@Doggo rip
im on ms edge rn uwu
@@yuyukosfaithfulservant that runs on chromium so theoretically if chrome didn't patch this it would work on edge too
Me who using Internet Explorer: i am 4 parallel universes ahead of you
@Videoms Brave too is chromium based...
7 years ago baby letsgoo
"If you're watching this off in the future, its probably fixed"
oh no
@amirKing0 dude all comments dont have to be funny
@amirKing0 there's another comment that has like 2k likes that is the same format as this
pop pop pop pop pop pop pop pop pop pop pop pop pop pop
"....Anyway, last week..."
I tried this, and now it converts "%%30%30" into "%2500"
Yes same happened with me
Same thing for me
same
well this is five years old, after all
@John Doe the video, dude.
I'm in the future and this link doesn't crash chrome anymore, which I guess is a good thing. I still wanted to see chrome crash though. :P
chrome://inducebrowsercrashforrealz or something like that.
boy do you even know what you just said?
Steven Tarsitano Yes.
+binary cat , I did not expect that to be true. thank you for that. haha
Wow, thanks, my Chromebook just crashed and it restarted :D
RUclips recommended me this 7½ Years later 😂
Why these old videos all of a sudden becomes viral????!!!!!
published 1 year ago. Still strange to get it in trending, YT algorithms are weird.
ikr
RUclips wants people to watch more videos so they started promoting ANY videos that had a lot of click-potential.
Well, it went viral a long time ago, I remember watching this video in 2015. It's just weird that youtube keeps recommending it to people.
It's happened again.
The jokes on you I use firefox
😂😂😂
Jokes on you I use internet explorer happy New Years 1
jokes on you, you use firefox
+Canyon F Jokes on you, Chrome eats up a lot of RAM and Firefox has way more plugins.
John F jokes on you, a rock uses even less RAM but that doesn't make it better lmao
WHY IS THIS RECOMMENDED 5 YEARS LATER
ikr
...It is 2020 right now and it says "4 years ago"
HOW IS IT SAYING 5 ON YOUR END!?!? xD?
@@Brahvim 2020 - 2015 = 5
The difference between 2020 and 2015 is 5 years. They probably didn't take into account the rest of the date(because nobody does)
R u in the future
I meant to say 4
I am indeed watching this off in the future
"If you're watching this in the future, it's probably fixed"
Me 5 seconds before:
copy & paste the link in a new tab just to realise it is fixed
Is that work?
Mine didn't crash :(
i was truely dissapointed to this reality
@@revulseplays3061 same :(
I did the exact same thing LMFAOO
why am I seeing this 1 year later -_-
ikr
haha
And it doesn't crash anymore :/
exactly one year later
same
it doesn't work for me did they fix it that quickly?
Quite possibly! Google roll out updates to Chrome quickly and silently, so it'll depend when yours chose to auto update and which "branch" it's on.
+Tom Scott I just selected it in the title text and started dragging it and it crashed. Try it out!
+TheDutchMagicTeacher I found the same thing and then I found that on Windows, it did crash, whereas on OSX, it only crashed the one tab.
+Tom Scott if you select the tekst and try to drag it it does still crash on my end
+TheDutchMagicTeacher Do you have Canary or the Beta? I have stable version and mine crashed.
Meanwhile RUclips throwing this video in my recommended 7 years later lmao
FR
Tom: if you're watching this off in the future
Me: watches nearly 5 years after upload.
Bro how you watching this 5 years later when it's only been 4
@@CurvyKirby2.- I said nearly.
In two days from now, it's gonna be Seotember 23, the same day this video was originally uploaded.
*puts on glasses*
@Isaac Thompson What sort of potato are you using for a computer?
Damn dude, you seriously know your stuff.
The ending cracked me up too.
jesus christ that ending gave me nightmares
He's on the Computerphile channel.
It's a pretty basic concept
Your comment is at 920 and the time (for me) is 9:20
*I'm scared*
The real question is - why does Chrome for God's sake decode the URL twice?
Probably a function that starts with a check for encoding, decodes it, then starts all over again with decoded string.
Wasn't it already explained? Intuitively, the URL should only be ever be decoded once, but when you have multiple functions calling each other and each one has the potential to accept raw (undecoded) text strings, suddenly every function is doing its own decoding and this string in question essentially suffers recursively iterated decoding (I recognized the problem the moment I identified %30 is the code for a numeric zero).
a/%%30%30
a/%00 - decoded once
a/[NULL] - decoded twice
This happens probably to check if there are any more characters to decode.
@@Guinea.Pig-Gaming that doesn't answer the OP's question. It was already answered in previous response.
@@Stratelier Sure, but that's just bad design. You should have a clear boundary between encoded and unencoded URLs which can be done by design or by typing systems or by other methods. It's a bad design when code doesn't know whether a URL it gets is encoded or not, and it leads to bugs like this.
Me: *sees this video* "Can't wait to try this out"
Also me: *sees that it was posted 7 years ago*
pov: its 2021 and you stil tried it even tho tom seid "if you are watching this in the near future, its probably already fixed"
POV: no
@@LeBronJames-uz6mt POV: POV: no
I've tried it before starting the video 😁
@@flumfabliau POV: POV: POV: no
Thumbnail: Exists
Literally Anyone: *Cool, let's test out this link*
Did it work?
@@climclim0375 no, it was patched...
@@climclim0375 worked for me, crashed my whole laptop because it's a chromebook
@@abi-kv9zz was gonna make a joke about how a book can crash but idk how
@@happitiger huh
Tom: links that can crash chrome
Me: I don’t need any links, my chrome crashes by it self
Why did this go back into the algorithm 7 years later?
why not (๑･̑◡･̑๑)
as a low-level C/asm programmer, It's nice to see someone explain part of the fundamentals to people who otherwise wouldn't know. Thanks for including the bit about strings :D
***** Well it's rare that a situation would come up that requires a full function or program to have to be written in ASM for best performance... Normally it's just using GCC inline assembly to augment the efficiency of a C function. Here's an example for a math function that rounds up to the next power of 2:
//--------------------------
#include
static inline uint32_t example(uint32_t const Value)
{
uint32_t ResultMask;
__asm__("bsrl %0, %1
\t"
: "=g"(ResultMask)
: "g" (Value)
: "1");
register uint32_t const TrueValue = 1
***** My only experience is with C, and inline ASM isn't in the standard. This is a GCC specific feature. Other language compilers may also have a similar feature, but to my understanding; the more high-level, the more unlikely.
+UrSoMeanBoss It is in the standard, as a common extension (§J.5.10 on the draft I'm reading)
+UrSoMeanBoss I'm making CPU emulators right now, it's nice how low-level concepts are still relevant to high-level architectures like this one :)
+Dennis Oliver my group loves to know people who do awesome. And that sounds pretty awesome. Are you doing that as a job or a hobby?
I always enjoy these videos - one of the most interesting things about computers is, in my opinion, their limitations and what happens when an error occurs and it's not handled properly.
I like the personification. Ah, the string's over. Brilliant!
hello, im from 7 years from the future, its fixed
Hah! My Chrome didn't crash! It just opened about:blank!
ALL GLORY SLOW-WORKING COMPUTERS
+KinRedysko Mine didn't crash either and I have a fast computer.
+AppleAssassin this one does
a.com/%%30%30
its ok without the .com for me but adding .com makes it crash
+KinRedysko All glory updated version of chrome?
+jguth6 If you add www. to it it makes it crash if you mouse over it on some websites
Like this www.a.com/%%30%30
+KinRedysko open notepad, type in a/%%30%30 then save it as bla.html, open in chrome and voiala
the fact this was showen 5 years later. I would love to try this.
Are you in the future?
@@mirandajulian616 no, I am
@@Bruh-ej8ib no,I am
Tested this Again in September 2016, it doesnt work now :/ Just tells you that you can't reach "a's" server.
This video is one year old, it was probably patched within days if not hours
for me it still works as of October 2nd, 2016
Works if you change the 30s to 60s
***** Tried it, just get a DNS error.
a/%%60%60
IM BEING RECOMMENDED THIS 7 YEARS LATER. _WHAT._
"If you're watching this in the future. it's probably fixed"
Me, who got this on recommendations 6 years after this was uploaded and wants to try it: *My disappointment is immeasurable and my day is ruined*
Same...
Ye
it was fixed? oh :(
@@lofyy Same :|
So what does the link lead to now then?
Me when my chrome doesnt crash after pasting this is in:
My disappointment is immeasurable and my day is ruined :(
Oh no
So RUclips recommends this to me 4 years later... And obviously it's been fixed by now. Kind of disappointed that we didn't even get to see Chrome crash - was still interesting to see how the URL worked though
Thanks RUclips for recommending this years later. Really appreciate it
youtube six years later: hmmmm yes this will go well in the reccomended.
Fun Fact: The word “short” is longer then the word “long”
only 1 letter
you can also make it shorter by adding 2 letters
That made my day
More an episode of things that no make any sense but is cool
It is
RUclips 4 years later: It’s safe now.
I love how it seems that the fix for this error is to inject "25" into the url in order to prevent it from resolving the null character.
People : RUclips recommending after 1 yrs or 2yrs
Me : oh please it's August 2020 now
Oh please its September 2020 now
Search "markiplier old videos" they got recommened like crazy and it is also 2013
frick august was 4 months ago
Oh please its November 2020 now
@@rithuuuuuuuuuu yes
Me 5 years later:
Tom: **casually waves hands** it'll probably be fixed
Your comment doesn’t make sense.
a/%%30%30
You have such a good way of explaining complicated topics. Love your videos!
I don't think it's been fixed yet. every time I try, it freezes before I can finish typing the URL
nvm that's normal I guess
Quite interesting, I never knew this had actually happened. But (as a programmer) it's fun to learn about this stuff, to see what I can do to stop me from making these mistakes in the future.
Thank you for the videos.
A link that can crash google chrome
me: *CLICKS IMMIDEADLY*
Me: Enters a/%%30%30 into browser
Chrome: Guess I'll die.
(Also) Chrome: Ight imma head out*
I like how this video is 6 years old but people are still commenting on it
4:47, nothing compares to, a quiet evening alone...
underrated comment
Tom Scott: This Link Can Crash Chrome!
Me: Yee! I'll try that
Me: try it
Me: realise I use Firefox
4 years ago
hm probably fixed by now, what a shame i wanted to try it, thanks youtube recommendations
Now it just says "This site can’t be reached, a’s server IP address could not be found."
and the url stays as "a/%00"
now it just changes to a/%2500
[looks up %25 on the list] Oh, you son of a… XD
Edge was fine with it.
Would a/%25%30%30
crash Chrome?
+Training Weapon Videos they fixed it
It used to, they implemented a test algorithm since then.
Chrome now changes the link to “a/%2500%”
Because it multiplies 30 by 30
Please DONT CHECK My RUclips Channel 30 * 30 = 900...
@@Guessyouwillneverknow705 And then you do (900*30-90*30+30*3*9-90-30/3-30/3)/(30/3) = 2500
Max Power wtf
@@Guessyouwillneverknow705 30 x 30 = 196
Back in 1989, I used a trick like this in DOS to hide directories. One could type any ASCII character by entering the ascii string on the numeric keypad while holding down some special key combo like CTRL+SHIFT. So I could type the null character and it showed up as if it were a space. But it was a different character, a null.
I created a folder named [null] in the root directory and hid the operating system and programs there. On a standalone DOS machine with a single hard drive and no security sytem, students could not access, copy, alter, or delete, or even find, any folder (directory) I didn't want them to find.
Null is a cool concept and a tricky tool.
Me: *types in a/%%30%30*
Chrome: "you mispelled "a" there."
same
@@janallennieras4364 same
@@daesfait same
@@bitonic589 same
@@CincySportsFan same
I always watch Tom Scott videos assuming it will be fun knowledge that I'll never use. I actually used this at work today! Thanks Tom!