How to use linux grep command?

Question

I can only grep and display a particular line of a log file. What if I want to display the next line together?

Many thanks in advance.

SO is for programming questions. Questions about basic use of Unix tools would be better on unix.SE or SuperUser.com. — Barmar, Nov 08 '16 at 01:01

score -1 · Answer 1 · answered Nov 08 '16 at 00:58

-1

cat filelogname | grep keyword

example : cat /var/log/httpd/error.log |grep Hello

answered Nov 08 '16 at 00:58

Sunarto

What does this have to do with the question? And it should be `grep Hello filename` – Barmar Nov 08 '16 at 01:00

1 Answers1