Which of the following commands will print to standard out only the lines that do not begin with # (pound symbol) in the file foobar?
A. /bin/grep ^# foobar
B. /bin/grep -v ^# foobar
C. /bin/grep #$ foobar
D. /bin/grep -v #$ foobar
Answer:B
Which of the following commands will print to standard out only the lines that do not begin with # (pound symbol) in the file foobar?
A. /bin/grep ^# foobar B. /bin/grep -v ^# foobar C. /bin/grep #$ foobar D. /bin/grep -v #$ foobar