Write a simple shell script that takes a permission string expressed as -rwxrwxrwx and prints out whether or not theobject is a directory, file or link. the string is read in from standard input.

so much for the extra points :

the answer to your question would be something called hertz. the unit of measurement called a hertz, which is one cycle per second, is used to measure clock speed. within one cycle, your computer processes, refreshes, or updates itself to the changes that it is going through. in the case of computer clock speed, one hertz equals one tick per second. the clock speed of computers is usually measured in megahertz (mhz) or gigahertz (ghz)