Plan 9 from Bell Labs’s /usr/web/sources/contrib/rminnich/trace
d-rwxrwxr-x rminnich sys 0 Jul 15 2018 8l d-rwxrwxr-x rminnich sys 0 Jul 15 2018 9.probe --rw-rw-r-- bootes sys 388211 Sep 19 2008 trace.pdf
