After converting file using **unix2dos** command it is having some empty lines. Please help me. How to handle this? I tried to delete empty lines as follow, but couldn't work. $ sed '/^$/d' /tmp/data.txt Hey following examples also didn't work. Pl help This is source data before using unix2dos. ID NAME DATE 1 BALA 09/23/2013 2 KRISHH 09/24/2013 3 billy 09/24/2013 After using unix2dos it is coming as ID NAME DATE 1 BALA 09/23/2013 2 KRISHH 09/24/2013 3 billy 09/24/2013 first and second record there is an empty line coming up..may be in bewteen data also Thanks