Youll likely need to install the correct printing systems Us
You’ll likely need to install the correct printing systems. Use:
 
 sudo apt-get update && sudo apt-get install cups cups-client lpr
 
 1. List the printer queues on your unix system.
    Q1: what command do you use to list the printer queues? What is the result?
 
 2. Type echo “This is a test” | lpr.
    Q2: Rerun the command to list the printer queue. Do you see a difference now? If so, what?
 
 3. Remove the job from the queue.
    Q3: What command do you use? Rerun the command that lists the queues. What is the result?
Solution
A)
this command will list all the printer jobs running on UNIX
B) echo “This is a test” | lpr
After running this command No difference is there.
C) To remove job you need to use following command
lprm jobid

