build and execute command lines from standard input

--max-args=max-args
-n max-args
       Use at most max-args arguments per command line.  Fewer than max-args arguments will  be  used  if
       the  size (see the -s option) is exceeded, unless the -x option is given, in which case xargs will
       exit.

--max-procs=max-procs
-P max-procs
       Run up to max-procs processes at a time; the default is 1.  If max-procs is 0, xargs will  run  as
       many  processes as possible at a time.  Use the -n option with -P; otherwise chances are that only
       one exec will be done.