Easter eggs, also known as gang screens or computer eggs, are hidden functions and novelties contained within programs that developers put in for you to find and enjoy.
Decompilation is a ProgramTransformation by which a high-level source code for an executable program is discovered. Decompilation is the inverse of ProgramCompilation.
a fast password cracker, currently available for many flavors. Its primary purpose is to detect weak Unix passwords. Besides several crypt(3) password hash types most commonly found on various Unix flavors, many others supported out of the box