Unix:Remove a command from History

You can remove a command from history as follows:

$history -d <offset>

For example,

$ history

1 cd /home

2 rm filename

3 ls -l

4 touch new

5 cp new new1

6 history

$ history -d 4

$ history

1 cd /home

2 rm filename

3 ls -l

4 cp new new1

5 history

6 history -d 4

7 history