quads:~ lathiat$ cat test5
line1
line2
line3
line4
quads:~ lathiat$ sed -n 2p test5
line2
quads:~ lathiat$ sed -n 2,3p test5
line2
line3
quads:~ lathiat$ sed -n 2,4p test5
line2
line3
line4
quads:~ lathiat$