John works as the Network Technician for Tech Perfect Inc. The company has a Linux-based
network.
John wants to view a PDF document on his Linux system. Which of the following commands
should John use to accomplish the task?

A.
ps2pdf

B.
enscript

C.
evince

D.
a2ps

Explanation:

The evince utility is used to view PDF files on the Linux operating system.
What is the evince command?
The evince command is a document viewer capable of displaying multiple and single page
document formats such as PDF and Postscript.
Syntax:

evince [Options] [Filename]
Answer options B and D are incorrect. These commands are used to convert a text to PostScript
and send it to a file or the print queue.
What is PostScript?
PostScript is a language developed by Adobe Systems for printing documents on laser printers. It
can also be adapted to produce images on other types of devices. It is the standard for desktop
publishing. Every PostScript printer contains a built-in interpreter that executes PostScript

instructions. Level 1, Level 2, and PostScript 3 are three basic versions of PostScript language.
Answer option A is incorrect. The ps2pdf utility is used to create PDF files.