a. The name of a UNIX utility (written by Larry Wall) that applies a script generated by the diff program to a set of files, allowing changes from one file to be automatically applied to another file. b. A set of diffs suitable for input to the patch program. Patches are a common way of supplying small updates to pieces of software where the source code is available. See Patch (computing)[?]
... 18, 6.3% from 18 to 24, 31.0% from 25 to 44, 26.9% from 45 to 64, and 13.5% who are 65 years of age or older. The median age is 40 years. For every 100 females there are ...