Linux: sed - Delete a line

As we discussed in the above section about the power of SED command, here we discuss about the how to use SED command to delete a line in a file.

How to delete first line using SED command

sed 'Nd' sample1.txt

Note: ‘N’should be replaced with the line number which we want to delete 

           ‘d’ is the command used to delete.

 

How to delete a particular line using SED command

sed '4d' sample1.txt

How delete last line in a file using SED command

sed '$d' sample1.txt

Note: ‘$ ‘indicates the last line of a file

In the next article will learn more about SED commands.