a - pr command for printing pr command is also used to prepare file for printing common options: -l length → number of lines per page -number → columns -w width → page width -o offset → left margin offset -f use form feeds -h header → use header instead the filename ls /etc | pr -4 -w 50 | head -n 10 → lists etc formatted in 4 columns and 70 chars wide and print show only the top 10 s /etc | pr -4 -w 70 -h "etc directory" | head -n 10 → same as the previous and with etc directory as a header if you want to send it to the printer just add | lpr
b - lpr command - Berkley Style lpr command is used to send file to a printer for printing It is part of the CUPS (Common UNIX Printing System) CUPS is widely used on many Linux distros common option: -r → delete files after printing -P printer → specify the name of the printer -# number → number of copies lpr file1.txt file2.txt → prints multiple files if you have selected default printer lpr -P canon -# 5 file1.txt → specifies a printer and print 5 copies lpr -o media=A4 -o page-ranges=1-5 file1.txt → use of option for printing
c - lp - System V Style lp is like lpr. Both are used to send files to the printer lp is also part of the CUPS (Common UNIX Printing System) lp provides more advanced option than lp common options: -d printer →selects printer -n number → number of copies -o landscape → landscape orientation -P pages → specify list of pages 2,4,6 as example lp file1.txt → prints file1.txt when default printer is selected lp -d cannon file1.txt → specifies default printer and print file1.txt