paste – Merge lines of files.Summary : Paste write the lines from files in parallel and sequential manner in the screen. By default, Lines will separated by a TAB character. Examples :
$ paste f1 f2 f3 -- Contents of the f1,f2 & f3 will be pasted in parallel and lines are separated by TABs. $ paste -d'#' f1 f2 f3 -- Same as above. But # is the separator. $ paste -d'@#' f1 f2 f3 -- Same as above. But the separator for f1 and f2 is @ and for f2 & f3 is #. $ paste -s f1 f2 -- Paste one file at a time instead of in parallel (as in above commands) $ paste num word > myfile -- Paste the content of num and word and write the output into myfile.
Read : man paste