Plan 9 from Bell Labs’s /usr/web/sources/patch/applied/dd-bigfiles/readme
allow commands like: neponset# dd -count 1 -if data -iseek 8589934591 -of /dev/null 1+0 records in 1+0 records out prior behavior: neponset# dd -count 1 -if data -iseek 8589934591 -of /dev/null dd: argument 8589934591 out of range
