28 Dec
2011
28 Dec
'11
1:53 a.m.
On Sun, Dec 25, 2011 at 08:10:04AM -0500, Norman
Wilson wrote:
The one that has stuck with me since the first time I read it 30 years ago
is from an article titled "On the Security of UNIX" (dmr, 1978?) ...
Here is a particularly ghastly shell sequence guaranteed
to stop the system:
while :; do
mkdir x
cd x
done
Either a panic will occur because all the i-nodes on the
device are used up, or all the disk blocks will be consumed,
thus preventing anyone from writing files on the device.
(from the UNIX programmer's manual, vol.2 p.592)
---corey
Rather a nice tribute to Dennis and C, published
in the New York Times Magazine:
http://www.nytimes.com/interactive/2011/12/22/magazine/the-lives-they-lived…
Yes, a good reminder on the power that programming brings us. A question
though: what command would "bring the system down"?