Different headaches are treated in different ways. Typically, you can determine the type of headache you have on your own based on your specific symptoms. If you have difficulty, though, you can also ask your doctor. They should be able to identify the type of headache you're having by a description of your symptoms. Common types of headaches include: Tension: The most common type of headache. Caused by muscle tightness in the back of the neck or scalp. Feels like a tight band around your head. Pain may also be concentrated in your forehead, temples, or the back of your head. Sinus: Caused by inflamed sinuses due to allergies, a cold, or the flu. You may feel pain over your forehead, around your nose and eyes, over your cheeks, or in your upper teeth. Pain may increase when you stoop forward. Migraine: Caused by many different triggers that vary from person to person. Pulsating pain of disabling intensity, often accompanied by nausea and vomiting. If untreated, typically lasts the whole day. Cluster: Relatively rare; unknown cause. Attacks result in up to 8 headaches a day for a 1 to 3 month period. Pain always on one side of the head and very severe. Typically accompanied by a red, watery eye on the headache side. May also be accompanied by nausea and sensitivity to light or sound. Either a warm compress or ice can ease a tension headache by helping to relax the muscles in your head and face. If you're using cold therapy, wrap a bag of ice or frozen vegetables in a towel to protect your skin. Regardless of whether you're using a warm compress or ice, don't leave it on your head for more than 15 to 20 minutes. Heat improves circulation and increases blood flow, whereas cold restricts blood flow to reduce inflammation. Cold therapy is usually best for sinus headaches and other headaches caused by inflammation, but can also ease tension headaches. However, heat is typically better for tension headaches. If you're using a warm compress, the water should be no more than 120F (49C) for adults or 105F (41C) for children. You can also use a hot water bottle or gel pack. Inhaling steam loosens mucus to help reduce congestion. If you have a sinus headache, the steam from the shower can also help relieve inflammation in your sinuses. If you don't like hot showers, try boiling water and leaning over the pot to inhale the steam. This can also relieve congestion, although you may find your pain temporarily worsens when you bend over. If the air in your home is overly dry, it can cause sinus congestion, which can lead to sinus headaches. A humidifier helps keep the air moist so it's easier for you to breathe. If you use a humidifier, check the humidity of your home regularly to maintain the right humidity level. Generally, the air in your home should be between 30% and 55%. Make sure you change the water in your humidifier so it's fresh, using bottled water if possible. Clean your humidifier at least once a week. Otherwise, it can grow mold, which can cause significant health problems.
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One-sentence summary -- Evaluate your symptoms to determine what kind of headache you have. Use hot or cold therapy to relax tense muscles. Take a steamy shower to treat a congestion headache. Use a humidifier to ease sinus dryness and irritation.

Your USB flash drive should plug into one of the rectangular or oval USB or USB-C ports on your computer's housing. Traditional flash drives only fit one way, so don't force the drive if it doesn't fit. If your Mac uses USB-C ports, your USB-C flash drive should fit any way in which you insert it. The USB flash drive should be at least 8 gigabytes in space so that it can accommodate most operating system installation files. If you want to create a bootable USB drive on a Mac, you'll need to have an ISO file (or an image file, if you're backing up your computer's hard drive) ready to drag and drop into Terminal. This is different than how Windows handles bootable flash drives, since you can make a flash drive bootable and then save it for later when using Windows. Click the magnifying glass icon in the top-right corner of the screen. A search bar will appear. This will search your Mac for the Terminal application. It's a black box in the middle of the Spotlight search results. Doing so will open Terminal. Type diskutil list into Terminal, then press Return. Look for the USB drive that you plugged into your computer, then look at the USB drive's name under the "IDENTIFIER" heading. You'll usually find your USB drive under the "(external, physical)" heading near the bottom of the Terminal window. Your USB flash drive's name under the "IDENTIFIER" heading will normally be something like "disk1" or "disk2". Type diskutil unmountDisk /dev/disknumbermaking sure to replace "disknumber" with the disk's "IDENTIFIER" name and number (e.g., disk2)into Terminal, then press Return. Type in sudo dd if= but don't press the Return key just yet. Click and drag the ISO file (or disk image file) that you want to boot into using the USB drive into the Terminal window. This will copy the file's address into the Terminal command. You can also type in the folder path to the ISO file. This will put a space at the end of the file's address, making room for the next command. Type in of=/dev/disknumber bs=1m, again making sure to replace "disknumber" with the USB flash drive's number (e.g., disk2), and press Return. This is the password that you use to log into your Mac. As you type, you'll notice that the letters don't appear in Terminal; this is normal. Doing so submits your password and prompts your Mac to begin creating a bootable USB flash drive with your selected ISO or image file. This process can take several hours to complete, so just leave Terminal open and your Mac plugged in.
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One-sentence summary --
Insert a USB flash drive into your computer. Make sure that you have an ISO file. Open Spotlight . Type in terminal. Double-click Terminal . Open a list of connected drives. Find your USB drive. Select the USB drive. Enter the formatting command. Drag the ISO file into the Terminal window. Press the Space key. Enter the rest of the command. Type in your password. Press Return.