Most veterinary students begin their job search during their final half of the fourth year of college. Most veterinarians work in private veterinary clinics that provide medical care for small, companion pets. Other veterinarians specialize in working with large animals, like horses, cows, and sheep, traveling to ranches and farms to provide care. Still other veterinarians specialize in treating exotic animals in zoos or aquariums. Veterinarians can also find employment in the military (a good option to pay for college expenses), the government, or in research. Before you start working and caring for animals, you need to take the veterinarian's oath. You're basically promising that you'll use your powers for good and not evil. In order to succeed in this job, you must be compassionate, confident, and able to communicate and make decisions. Despite the opportunity to work with kittens and puppies (along with all other animals) there will always be a person attached to that animal that you will need to communicate with to give the pets and animals the best care possible. Some vets even go so far as to get their PhDs. If you'd like to lead the field in research, this is a great idea. Having a PhD will have the added benefit of potentially giving you a massive bump in your salary! The Bureau of Labor Statistics says that the need for vets is going to increase in the near future. Since there are so few schools, the output to trained veterinarians generated isn't much, which means you stand a good chance of steady employment once you finish school.
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One-sentence summary -- Start your job search. Take the veterinarian's oath. Be able to communicate with both animals and people. Consider getting further education.

Article: If you're not logged in as the root user, you can su to root to adjust your configuration. The file you're looking for is called conf.apf, and it'll be in /etc/apf by default. Type cd /etc/apf to enter that directory. You can use any text editor you wish, such as vim or nano. To open conf.apf in vim, you'd type vim conf.apf and press Enter. Once you have the file open, you will see IG_TCP_CPORTS and EG_TCP_CPORTS sections. The IG_TCP_CPORTS section lists open inbound ports separated by commas. The ports are listed in numerical order to make things easy, but it's not required to stick with it. You can add ports to the end of the sequence, just separate them with commas. For example, let's say you want to open port 999, and the current open ports are 20, 21, 22, 25, 53, 80, 110, 143, 443, 465, 587, 993, 995. After adding port 999 to the IG_TCP_CPORTS list, it will look like this: 20, 21, 22, 25, 53, 80, 110, 143, 443, 465, 587, 993, 995, 999. To get into insertion/typing mode in vim, press the i key on the keyboard. Just as you did with the incoming port, add any outbound TCP ports you'd like to open to the the EG_TCP_CPORTS list. Follow these steps to save and exit the file: Press the Esc key. Type :wq!. Press Enter. This restarts the APF firewall and opens the new ports. To deny a port, re-open the file, delete the port, save the file, and then re-start the firewall.
Question: What is a summary of what this article is about?
Log in to your server. Go to the directory that contains your APF config file. Open conf.apf in a text editor. Add inbound ports to the IG_TCP_CPORTS list. Allow outbound ports to the EG_TCP_CPORTS list. Save your changes and exit the file. Type service apf -r and press Enter.