Sed | Awk | Grep

Shell Programming and Scripting
1

Can someone help me in understanding when to use SED, AWK and GREP

2

this is a good one

3

i have a file with the followin contents

one two three
four five six
seven eight nine

now,i need to print only the line which has "two" in the second field...using AWK
the output shud be
one two three....

4

vijay_0209,

Please don't hijack another one's thread, but start your own thread if you have a question.

Regards