The cp utility (Sobell, page 53) makes a copy of a file. Use cp to make a copy of the file you just created.

In a chart, each data ________ is represented by a data marker

Fill in the blank(s) with correct word

A user wants to quickly share pictures between mobile devices. The devices will be in close proximity so the necessity of a third party service and/or another networking device is not required. Which of the following is the BEST option for this scenario?

A. NFC B. USB C. IR D. WiFi