help with sed

Shell Programming and Scripting
1

I have a fixed width flat file. At end of the each line has line feed (LF).
I want to replace this line feed with carriage return and line feed (CRLF)
I know we can use sed but dont know how.

Can anyone pls help me in this.

Thanks
Sunil

2

If you're on a linux system, you could use the command:

dos2unix [file] > output_file