How to search and replace a pattern from 10th line to last line in a file by using sed command


#1

Hi All,

Hope all are doing good.

Please help me on below topics

1:How to search and replace a pattern from 10th line to last line in a file by using sed command

2:how to duplicate each line in a file on unix

3:how to print the lines end with ravi

4:We have a file contain 1-10 number need to print 3rd large number?

5:how to monitor a process in unix?

6:how to setup password less login in unix?

7:I have a file like below

ravi.taxt

10.20.30.34
10.2a.21.35
a.b.c.12
2.4.7.8

nee to fetch only valid ip addresses

8:We have a .csv file need to fetch 4th row 5th column.