Serve pork now, or remove pork from slow cooker and cool slightly. Shred warm pork, using 2 forks. Place 2 cups shredded pork in each refrigerator or freezer container. Add 1/2 cup reserved cooking liquid to each container. Cover and refrigerate up to 4 days or freeze up to 4 months. To thaw frozen pork, place container in refrigerator about 8 hours.