Plan 9 from Bell Labs’s /usr/web/sources/plan9/sys/src/cmd/qa
--rw-rw-r-- glenda sys 3252 Jul 8 2004 a.h --rw-rw-r-- bootes sys 13743 Jul 7 2009 a.y --rw-rw-r-- bootes sys 18850 Jul 7 2009 lex.c --rw-rw-r-- bootes sys 215 Dec 12 1999 mkfile
