What types of information does the ID command provide? id command in Linux is used to find out user and group names and numeric ID’s (UID or group ID) of the current user or any other user in the server.
What program can you use to manually bring up a network interface in Linux? What program can you use to manually bring up a network interface in Linux? The ifconfig program does as the question specifies (among other things), so option D is correct.
What symbol do you place after a command to run the program in the background? To run a command in the background, type an ampersand (&; a control operator) just before the RETURN that ends the command line. The shell assigns a small number to the job and displays this job number between brackets.
Which of the processes can you use to identify running processes? You can list running processes using the ps command (ps means process status). The ps command displays your currently running processes in real-time.