lp

Overview

The lp command submits files for printing or alters a pending job. It’s part of the CUPS (Common Unix Printing System) and is used to print files and manage print jobs.

Syntax

lp [options] [file(s)]

Common Options

Option Description
-d printer Specify destination printer
-n number Number of copies
-q priority Job priority (1-100)
-o option Set job options
-P page-list Print specific pages
-H hold Hold job for printing
-t title Set job title
-U username Specify username
-i job-id Modify existing job

Key Use Cases

  1. Print files
  2. Manage print jobs
  3. Set print options
  4. Control print queue
  5. Print specific pages

Examples with Explanations

Example 1: Basic Printing

lp document.pdf

Print document to default printer

Example 2: Multiple Copies

lp -n 3 document.txt

Print three copies of the document

Example 3: Specific Printer

lp -d printer_name file.pdf

Print to specified printer

Understanding Output

Standard output includes: - Job ID - Printer name - Status messages - Error messages - Queue position

Common Usage Patterns

  1. Print with options:

    lp -o sides=two-sided document.pdf

  2. Print specific pages:

    lp -P 1-5 document.pdf

  3. Hold print job:

    lp -H hold document.pdf

Performance Analysis

  • Monitor queue status
  • Check printer availability
  • Consider file size
  • Watch for errors
  • Monitor job progress

Additional Resources