Answer Wiki. On Linux, most USB drives show up as /media/disk1, or whatever the volume label is. If I copy my.txt to /media/disk1/my.txt, it's in the root directory. If I plug the drive into a Windows system, it probably appears as E:\my.txt to the command line or in a new named drive in My Computer. Hard drives usually have one or more partitions. USB drives often don't have any partitions, but they can.
https://www.quora.com/How-do-you-add-files-to-the-root-directory-of-a-USB
[CENTRAL] CF-Auto-Root. CF-Auto-Root is the root for rooting beginners and those who want to keep as close to stock as possible. CF-Root is meant to be used in combination with stock Samsung firmwares, and be the quickest and easiest way for your first root. In essence, it does nothing but install and enable SuperSU on your system, so apps can gain root access. This thread serves as a central discussion and request thread for CF-Auto-Root.
https://forum.xda-developers.com/showthread.php?t=1980683
Check whether your device is compatible with download CF Auto Root. go to Settings -> About device -> Model Number and check support device list. If you can not find your device number, then your android device is not compatible with Android CFRoot.
http://www.cfroot.com/
Next, you'll need to download CF Auto Root, which is the tool you'll be using to actually root your device. There are different versions of CF Auto Root for each of the 300+ supported Android devices, so you'll need to be careful and make sure you download the right one.
https://android.gadgethacks.com/how-to/android-basics-root-with-cf-auto-root-0167401/
Diagnosis and Genetics. Cystic fibrosis is a genetic disease. People with CF have inherited two copies of the defective CF gene -- one copy from each parent. Both parents must have at least one copy of the defective gene.
https://www.cff.org/What-is-CF/About-Cystic-Fibrosis/
CF Auto Root works by unlocking your device's bootloader, which means that if your bootloader is not already unlocked, you will lose all of the data on your device. If you haven't done so already, make sure to back up all important data on a separate storage drive. This is also where U.S. carriers come into play.
https://android.gadgethacks.com/how-to/android-basics-root-with-cf-auto-root-0167401/
CF Auto Root - Android Rooting Software. Android CF Root is a basic and simple root tool designed by Chainfire, XDA developer. CFRoot is a fast and easier android root tool. CF auto Root download is compatible with many android devices such as Galaxy Note, Galaxy S1, Galaxy S2, Galaxy Nexus, Galaxy Tab 7, and over 50 different brands.
http://www.cfroot.com/
Cystic fibrosis is a progressive, genetic disease that causes persistent lung infections and limits the ability to breathe over time. In people with CF, a defective gene causes a thick, buildup of mucus in the lungs, pancreas and other organs. In the lungs, the mucus clogs the airways and traps bacteria leading to infections, extensive lung damage and eventually, respiratory failure.
https://www.cff.org/What-is-CF/About-Cystic-Fibrosis/
Created by XDA Senior Recognized Developer Chainfire, CF-Auto-Root is a root for “rooting beginners” and those who want to keep as close to stock as possible. CF-Root is meant to be used in combination with stock Samsung firmwares as well as Nexus devices, and be the quickest and easiest way for your first root. In essence, it does nothing but install and enable SuperSU on your system, so apps can gain root access.
https://www.xda-developers.com/root/
KingRoot is root for people who just want to have root access to their devices, and not necessarily wanting to flash anything extra. It works on almost all devices from Android version 2.x to 5.0. Working of KingRoot is based on system exploit.
https://www.xda-developers.com/root/
what is cf root
CF-Auto-Root is the root for rooting beginners and those who want to keep as close to stock as possible.