1. A _____ is a common field between two files or database tables.

A. key

B. record

C. comment

2. The cut command:

A. puts your results in alphabetical order

b. compares the lines in two files

C. extracts the fields or characters you want

D. deletes unwanted files

3. In order for the uniq command to work, the file or input it's using must be _____.

A binary

B write-protected

C capitalized

D sorted

4. To replace all instances of one word in a long file, using vi editor would always be faster than using sed.

True

False