QUESTION 21

The command:

tr -d '\012'

removes the newline from the input stream

True

False

2 points

QUESTION 22

By convention an exit status of non-zero indicates success.

True

False

2 points

QUESTION 23

Which statement best describes the streams that are automatically connected to each process?

	a.	Standard Input (stdin)
	b.	Standard Ouput (stdout)
	c.	Stadnard Error (stderr)
	d.	A & B & C
	e.	None of the above

4 points

QUESTION 24

If shell script has owner, group, and others (world) execute permissions set but only read permissions set for group and others, this script can be executed by the owner.

True

False

2 points

QUESTION 25

Which statement best describes the command that finds for the string $FOO.

	a.	grep "$FOO"
	b.	grep '$FOO'
	c.	grep \$FOO
	d.	A & C
	e.	B & C