11.3 Managing Printer Queues
11.3.2 Canceling a print request
There are times when you will want to remove a print request from the print queue. This can occur if you accidentally print the wrong document; especially if it is a long one. You might also have to remove a request if you accidentally schedule a print request for something you already printed out. In either case, if the print job is still in the print queue you can cancel it.

You may only cancel those print requests that you have initiated. You cannot remove another user's print requests. Only the system administrator can cancel print jobs for other users. The cancel command enables you to cancel print requests previously sent with the lp command. To do this, you must first use the lpstat command to identify the request-ID. Figure shows an example using the lpstat command to find out the request-ID and then the cancel command to delete the print request from the queue. If you cancel a print job, it does not affect the request ID numbers of the other jobs still in the queue.

Command Format:
cancel request-ID
Interactive Media Activity (Flash, 95 kB)
  Using the lpstat and cancel command

In this media activity, you are logged in as user2 and your current working directory is /home/user2/dir2. Type the commands that would accomplish the following objectives.
Note: Be sure to press enter after each one. Click on step 1 to begin.

Lab Activity (Adobe Acrobat Reader, 46 kB)
  Command Line Printing

In this lab, you will become familiar with file system permissions. You will display permissions on files and directories, interpret the results and evaluate the effect on various user categories.