The last command executed in the function or script determines the exit status. Within a script, an. command may be used to deliver an nnn exit status to the shell (nnn must be an integer in the 0 - 255 range). When a script ends with an exit that has no parameter, the exit status of the script is the exit status of the last command executed in the script (previous to the exit).
Quick Answer. A beef roast is cooked in a 375 degrees Fahrenheit oven for 20 minutes per pound. The exact cooking time depends on the size of the roast. The roast is done when it reaches between 135 and 150 degrees Fahrenheit on a meat thermometer.
Salt and pepper roast all over. Place roast in roasting pan in a pre-heated oven at 450 for 15 minute. Add a little water in pan to loosen up juices. Turn down oven to 325 and cook for 1 hour and 10 minute. Take out and cover with aluminun foil for 30 minute.