Plan 9 from Bell Labs’s /n/sources/plan9/sys/lib/dist/cmd/multi
--rw-rw-r-- rsc sys 844 Jul 29 2013 mkfile --rwxrwxr-x rsc sys 1235 May 7 2006 mkmulti --rw-rw-r-- rsc sys 543 May 7 2006 multi.c
