Pr
From MohidWiki
Pr is a small linux utility that produces paginated column output from different input ascii text files. Use it with Awk.
Example
> cat file1 one two three one two three one two three one two three
> cat file2 four five six four five six four five six four five six
> pr -m -t -s file1 file2 | gawk '{print $4,$5,$6,$1}' four five six one four five six one four five six one four five six one
DOS tip:
$ pr -m -t file1.txt file2.txt | sed 's/\x0D//g' | gawk '{print $1" "$2" "$3" "$4" "$5" "$6}'