QUESTION 26

Run the who command on ce.uml.edu. Given the output of the who command from ce.uml.edu, which of the following commands print out just the username?

	a.	who | cut -d' ' -f1 (NOTE: there is a space between the single quotes)
	b.	who | cut -c1-8
	c.	None of the above
	d.	A & B

4 points

QUESTION 27

The command

rm "-foobar"

will correctly delete a file named, -foobar

True

False

2 points

QUESTION 28

The program 'ls' is a UNIX Filter

True

False

2 points

QUESTION 29

The command

sed 's/a/&&/g'

doubles only the first occurance of 'a' on each line processed.

True

False

2 points

QUESTION 30

The command

grep -iw shell | wc -l

correctly counts the number of times the text shell appears in the standard input stream.

True

False