Fig. 28.
An e-mail containing the command for listing the files in the current working directory. In this case, the command will be executed by the operative system.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.