The exit command terminates a script, just as in a C program. It can also return a value, which is available to the script's parent process. Every command returns an exit status (sometimes referred to as a return status or exit code). A successful command returns a 0, while an unsuccessful one returns a non-zero value that usually can be interpreted as an error code.
How to Cook Pork Ribs Using the Low and Slow Method. Start the charcoal 30 minutes prior to cooking. Prepare the grill for indirect grilling. Youâre aiming for a temperature of 225 to 250-degrees F. Place ribs bone side down on the grill grate or use a rib rack if youâre cooking several racks of ribs. If using a rib rack, place the meat side of the ribs facing the fire. Add the smoking chips and cover the grill. On average, baby back ribs will take about 4 hours while spare ribs need about 5. At the outset, your main goal is to watch and adjust the temperature. The heat will have a tendency to climb up to the 300-degree F range rather quickly.
1 In a medium bowl, stir together the sauerkraut, onion and dill; spread on top of the ribs and place around them in the roasting pan.  Bake for 3 to 4 hours in the preheated oven, until the rib meat easily pulls away from the bone.