Unix to linux migration - unix2dos

I'm not sure about recode, but sed -i 's/$/\\r/' would do the same thing as unix2dos.",

Using recode seems risky, it's used for converting character sets, not just changing newline characters. I haven't used recode but I'm afraid that you could break your files if they are encoded in e.g. UTF-8 instead of Latin1.\n\nI don't know what packages are found in SUSE, but perhaps there is one of the alternatives to unix2dos, like todos (on Debian found in package tofromdos).\n\nUsing sed as other suggested should work well. If you are really worried about performance, you could compare sed's performance to awk '{print $0 \"\\r\"}' - I can't say for sure which will be faster in your case but it won't hurt to measure both on a sample of your files.",