The given command `sudo cat /var/lib/brt/brt-backend/runBrt.txt` does the following: 1. **`sudo`**:...

The given command sudo cat /var/lib/brt/brt-backend/runBrt.txt does the following:

1. sudo: Runs the command with elevated (superuser) privileges. This is used when the current user does not have sufficient permissions to access or read the specified file.

2. cat: Concatenates and displays the contents of a file(s). In this case, it is being used to display the content of a single file.

3. /var/lib/brt/brt-backend/runBrt.txt: Refers to the file being accessed. It is located in the /var/lib/brt/brt-backend directory. This is the full path to the file.

Summary:

The command displays the contents of the file runBrt.txt, which is located in the directory /var/lib/brt/brt-backend, using superuser privileges. If the user has permission issues reading this file, sudo allows the user to bypass those restrictions.