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.
Place the roast fat-side up so that as the fat melts it bathes the entire roast in flavor. 4 Cook the roast initially at 375Â°F (190Â°C) for half an hour, to brown it. Then lower the heat to 225Â°F (107Â°C). The roast should take somewhere from 1 1/2 to 2 1/2 hours additionally to cook.The shape of the roast will affect the cooking time.If your roast is long and narrow, rather than a more round shape, it may take less time to cook, so keep an eye on it. When juices start to drip from the roast, and it is browned on the outside, check the roast's internal temperature with a meat thermometer.lace the roast fat-side up so that as the fat melts it bathes the entire roast in flavor. 4 Cook the roast initially at 375Â°F (190Â°C) for half an hour, to brown it. Then lower the heat to 225Â°F (107Â°C). The roast should take somewhere from 1 1/2 to 2 1/2 hours additionally to cook.