Which of the following are valid commands to affect your system’s printing? 06/14/2017 – by Mod_GuideK 0 Which of the following are valid commands to affect your system’s printing? A. lpq B. lprm C. lpstatus D. lpr E. lpio SHOW ANSWERSCorrect Answer: ABD Explanation/Reference: Explanation: lpr command is used to send the printing job. lpq command is used to query the printing job lprm command is used to remove the printing job Download Printable PDF. VALID exam to help you PASS.