vt. 1. [MIT and Berkeley] To format code, especially LISP
code, by indenting lines so that it looks pretty. This usage was
associated with the MacLISP community and is now rare;
was and is the generic term for such
operations. 2. [UNIX] To generate the formatted version of a
document from the nroff, troff, TeX, or Scribe source. The BSD
program `vgrind(1)' grinds code for printing on a Versatec
bitmapped printer. 3. To run seemingly interminably, esp. (but
not necessarily) if performing some tedious and inherently useless
task. Similar to crunch
. Grinding has a
connotation of using a lot of CPU time, but it is possible to grind
a disk, network, etc. See also hog
. 4. To make the whole
system slow. "Troff really grinds a PDP-11." 5. `grind grind'
excl. Roughly, "Isn't the machine slow today!"