Up to [NetBSD Developer Wiki] / wikisrc / pkgsrc
Request diff between arbitrary revisions
Keyword substitution: kv
Default branch: MAIN
Provide more efficient find+rm example. Don't mention xargs, it is tricky and dangerous tool. One ought to be cautious when using it. While here, fix spelling of "basics."
Since symbolic links are not created by default, don't mention them.
import a bunch of pkgsrc articles from the old pkgsrc.se wiki