Notice that in this installation (and most installations) the values for root are both 0 the first one is the user ID, the second is the group.

The two sections that are interest to us are the numbers in position 3 and 4. Nuucp:*:6:5:uucp login user:/var/spool/uucppublic:/usr/sbin/uucp/uucico In that file, you will see something like this: root:!:0:0::/:/usr/bin/ksh There is a file /etc/passwd that famously holds passwords (or a marker to signify shadow passwords). The installation instructions is applicable to any Linux distro based on Ubuntu or Debian, such as Linux Mint, ElementaryOS or Pop! OS.Ok, this comes from my hacker days of trying everything in the system to see what it did. In this article, we will show you to install adb and fastboot on Ubuntu 20.04 (codename Focal Fossa). You also need to know how to run terminal commands under root privileges in the safe way using sudo. Usually, fastboot is used to re-flash the system partitions inside the Android device.īefore getting any further, we assume that you have a basic understanding of how the Linux shell works and how we send commands to it. Using ADB, you can install apps, copy files, run shell commands, and debug apps, among other things right from your computer without touching the actual device.įastboot is the name of three different things: a protocol, a bootloader mode and a program that runs on the computer, all of which let you communicate with your Android device. ADB is a powerful command-line tool that provides access to a Unix shell, letting you communicate with your Android device from a client machine.

Ubuntu universal android root